| blob | 3102a6d2768468bb040a6f97e6276035aa0b2592 |
1 ;;; dired.el --- directory-browsing commands
3 ;; Copyright (C) 1985, 1986, 1992, 1993, 1994, 1995, 1996, 1997, 2000,
4 ;; 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
6 ;; Author: Sebastian Kremer <sk@thp.uni-koeln.de>
7 ;; Maintainer: FSF
8 ;; Keywords: files
10 ;; This file is part of GNU Emacs.
12 ;; GNU Emacs is free software: you can redistribute it and/or modify
13 ;; it under the terms of the GNU General Public License as published by
14 ;; the Free Software Foundation, either version 3 of the License, or
15 ;; (at your option) any later version.
17 ;; GNU Emacs is distributed in the hope that it will be useful,
18 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 ;; GNU General Public License for more details.
22 ;; You should have received a copy of the GNU General Public License
23 ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
25 ;;; Commentary:
27 ;; This is a major mode for directory browsing and editing. It is
28 ;; documented in the Emacs manual.
30 ;; Rewritten in 1990/1991 to add tree features, file marking and
31 ;; sorting by Sebastian Kremer <sk@thp.uni-koeln.de>.
32 ;; Finished up by rms in 1992.
34 ;;; Code:
38 ;;; Customizable variables
41 "Directory editing."
46 "Handling marks in Dired."
51 ;;;###autoload
53 "*Switches passed to `ls' for Dired. MUST contain the `l' option.
54 May contain all other options that don't contradict `-l';
55 may contain even `F', `b', `i' and `s'. See also the variable
56 `dired-ls-F-marks-symlinks' concerning the `F' switch.
57 On systems such as MS-DOS and MS-Windows, which use `ls' emulation in Lisp,
58 some of the `ls' switches are not supported; see the doc string of
59 `insert-directory' in `ls-lisp.el' for more details."
64 "If non-nil, switches passed to `ls' for inserting subdirectories.
67 ; Don't use absolute file names as /bin should be in any PATH and people
68 ; may prefer /usr/local/gnu/bin or whatever. However, chown is
69 ; usually not in PATH.
71 ;;;###autoload
74 "chown"
76 "/usr/sbin/chown"
89 ;;;###autoload
91 "*Informs Dired about how `ls -lF' marks symbolic links.
92 Set this to t if `ls' (or whatever program is specified by
93 `insert-directory-program') with `-lF' marks the symbolic link
94 itself with a trailing @ (usually the case under Ultrix).
96 Example: if `ln -s foo bar; ls -F bar' gives `bar -> foo', set it to
97 nil (the default), if it gives `bar@ -> foo', set it to t.
99 Dired checks if there is really a @ appended. Thus, if you have a
100 marking `ls' program on one host and a non-marking on another host, and
101 don't care about symbolic links which really end in a @, you can
102 always set this variable to t."
106 ;;;###autoload
108 "*Regexp of files to skip when finding first file of a directory.
109 A value of nil means move to the subdir line.
110 A value of t means move to first file."
113 regexp)
116 ;;;###autoload
118 ;; Use t as default so that moved files "take their markers with them".
119 "*Controls marking of renamed files.
120 If t, files keep their previous marks when they are renamed.
121 If a character, renamed files (whether previously marked or not)
122 are afterward marked with that character."
127 ;;;###autoload
129 "*Controls marking of copied files.
130 If t, copied files are marked if and as the corresponding original files were.
131 If a character, copied files are unconditionally marked with that character."
136 ;;;###autoload
138 "*Controls marking of newly made hard links.
139 If t, they are marked if and as the files linked to were marked.
140 If a character, new links are unconditionally marked with that character."
145 ;;;###autoload
147 "*Controls marking of newly made symbolic links.
148 If t, they are marked if and as the files linked to were marked.
149 If a character, new links are unconditionally marked with that character."
154 ;;;###autoload
156 "*If non-nil, Dired tries to guess a default target directory.
157 This means: if there is a dired buffer displayed in the next window,
158 use its current subdir, instead of the current subdir of this dired buffer.
160 The target is used in the prompt for file copy, rename etc."
164 ;;;###autoload
166 "*If non-nil, Dired preserves the last-modified time in a file copy.
167 \(This works on only some systems.)"
171 ; These variables were deleted and the replacements are on files.el.
172 ; We leave aliases behind for back-compatibility.
176 ;;; Hook variables
179 "Run after loading Dired.
180 You can customize key bindings or load extensions with this."
185 "Run at the very end of `dired-mode'."
190 "This hook is run before a dired buffer is read in (created or reverted)."
195 "Hook run after each time a file or directory is read by Dired.
196 After each listing of a file or directory, this hook is run
197 with the buffer narrowed to the listing."
200 ;; Note this can't simply be run inside function `dired-ls' as the hook
201 ;; functions probably depend on the dired-subdir-alist to be OK.
207 "The functions to call when a drop in `dired-mode' is made.
208 See `dnd-protocol-alist' for more information. When nil, behave
209 as in other buffers. Changing this option is effective only for
210 new dired buffers."
216 ;; Internal variables
219 ;; so that you can write things like
220 ;; (let ((dired-marker-char ?X))
221 ;; ;; great code using X markers ...
222 ;; )
223 ;; For example, commands operating on two sets of files, A and B.
224 ;; Or marking files with digits 0-9. This could implicate
225 ;; concentric sets or an order for the marked files.
226 ;; The code depends on dynamic scoping on the marker char.
227 "In Dired, the current mark character.
234 ;; I see no reason ever to make this nil -- rms.
235 ;; (> baud-rate search-slow-speed)
242 ;;;###autoload
244 "The directory name or wildcard spec that this dired directory lists.
245 Local to each dired buffer. May be a list, in which case the car is the
246 directory name and the cdr is the list of files to mention.
255 ;; These regexps must be tested at beginning-of-line, but are also
256 ;; used to search for next matches, so neither omitting "^" nor
257 ;; replacing "^" by "\n" (to make it slightly faster) will work.
260 ;; "Regexp matching a marked line.
261 ;; Important: the match ends just after the marker."
263 ;; The [^:] part after "d" and "l" is to avoid confusion with the
264 ;; DOS/Windows-style drive letters in directory names, like in "d:/foo".
272 "-[-r][-w].[-r][-w][xs][-r][-w]."
278 ;; The subdirectory names in the next two lists are expanded.
280 "Association list of subdirectories and their buffer positions.
281 Each subdirectory has an element: (DIRNAME . STARTMARKER).
282 The order of elements is the reverse of the order in the buffer.
286 "Keeps track of which switches to use for inserted subdirectories.
294 "Regexp matching a maybe hidden subdirectory line in `ls -lR' output.
295 Subexpression 1 is the subdirectory proper, no trailing colon.
296 The match starts at the beginning of the line and ends after the end
301 "Faces used by Dired."
307 "Face used for directory headers."
315 "Face used for dired marks."
323 "Face used for marked files."
331 "Face used for flagged files."
338 ;; Inherit from font-lock-warning-face since with min-colors 8
339 ;; font-lock-comment-face is not colored any more.
341 "Face used to highlight a part of a buffer that needs user attention."
349 ;; Inherit from font-lock-comment-delimiter-face since with min-colors 8
350 ;; font-lock-comment-face is not colored any more.
352 "Face used to highlight permissions of group- and world-writable files."
360 "Face used for subdirectories."
368 "Face used for symbolic links."
376 "Face used for files suffixed with `completion-ignored-extensions'."
384 ;;
385 ;; Directory headers.
387 ;;
388 ;; Dired marks.
390 ;;
391 ;; We make heavy use of MATCH-ANCHORED, since the regexps don't identify the
392 ;; file name itself. We search for Dired defined regexps, and then use the
393 ;; Dired defined function `dired-move-to-filename' before searching for the
394 ;; simple regexp ".+". It is that regexp which matches the file name.
395 ;;
396 ;; Marked files.
399 ;;
400 ;; Flagged files.
403 ;; People who are paranoid about security would consider this more
404 ;; important than other things such as whether it is a directory.
405 ;; But we don't want to encourage paranoia, so our default
406 ;; should be what's most useful for non-paranoids. -- rms.
407 ;;; ;;
408 ;;; ;; Files that are group or world writable.
409 ;;; (list (concat dired-re-maybe-mark dired-re-inode-size
410 ;;; "\\([-d]\\(....w....\\|.......w.\\)\\)")
411 ;;; '(1 dired-warning-face)
412 ;;; '(".+" (dired-move-to-filename) nil (0 dired-warning-face)))
413 ;; However, we don't need to highlight the file name, only the
414 ;; permissions, to win generally. -- fx.
415 ;; Fixme: we could also put text properties on the permission
416 ;; fields with keymaps to frob the permissions, somewhat a la XEmacs.
423 ;;
424 ;; Subdirectories.
427 ;;
428 ;; Symbolic links.
431 ;;
432 ;; Files suffixed with `completion-ignored-extensions'.
434 ;; It is quicker to first find just an extension, then go back to the
435 ;; start of that file name. So we do this complex MATCH-ANCHORED form.
438 ;;
439 ;; Files suffixed with `completion-ignored-extensions'
440 ;; plus a character put in by -F.
446 ;; If the last character is not part of the filename,
447 ;; move back to the start of the filename
448 ;; so it can be fontified.
449 ;; Otherwise, leave point at the end of the line;
450 ;; that way, nothing is fontified.
454 )
458 \f
459 ;;; Macros must be defined before they are used, for the byte compiler.
462 "Mark all files for which PREDICATE evals to non-nil.
463 PREDICATE is evaluated on each line, with point at beginning of line.
464 MSG is a noun phrase for the type of files being marked.
465 It should end with a noun that can be pluralized by adding `s'.
466 Return value is the number of files marked, or nil if none were marked."
480 count
481 ,msg
489 distinguish-one-marked)
490 "Eval BODY with point on each marked line. Return a list of BODY's results.
491 If no marked file could be found, execute BODY on the current line.
492 If ARG is an integer, use the next ARG (or previous -ARG, if ARG<0)
493 files instead of the marked files.
494 In that case point is dragged along. This is so that commands on
495 the next ARG (instead of the marked) files can be chained easily.
496 If ARG is otherwise non-nil, use current file instead.
497 If optional third arg SHOW-PROGRESS evaluates to non-nil,
498 redisplay the dired buffer after each file is processed.
499 No guarantee is made about the position on the marked line.
500 BODY must ensure this itself if it depends on this.
501 Search starts at the beginning of the buffer, thus the car of the list
502 corresponds to the line nearest to the buffer's bottom. This
503 is also true for (positive and negative) integer values of ARG.
504 BODY should not be too long as it is expanded four times.
506 If DISTINGUISH-ONE-MARKED is non-nil, then if we find just one marked file,
507 return (t FILENAME) instead of (FILENAME)."
508 ;;
509 ;;Warning: BODY must not add new lines before point - this may cause an
510 ;;endless loop.
511 ;;This warning should not apply any longer, sk 2-Sep-1991 14:10.
518 ,arg
524 results))
525 ;; non-nil, non-integer ARG means use current file:
530 ;; remember position of next marked file before BODY
531 ;; can insert lines before the just found file,
532 ;; confusing us by finding the same marked file again
533 ;; and again and...
541 ;; move after last match
550 results
552 ;; save-excursion loses, again
556 "Return the marked files' names as list of strings.
557 The list is in the same order as the buffer, that is, the car is the
558 first marked file.
559 Values returned are normally absolute file names.
560 Optional arg LOCALP as in `dired-get-filename'.
561 Optional second argument ARG specifies files near point
562 instead of marked files. If ARG is an integer, use the next ARG files.
563 If ARG is otherwise non-nil, use file. Usually ARG comes from
564 the command's prefix arg.
565 Optional third argument FILTER, if non-nil, is a function to select
566 some of the files--those for which (funcall FILTER FILENAME) is non-nil.
568 If DISTINGUISH-ONE-MARKED is non-nil, then if we find just one marked file,
569 return (t FILENAME) instead of (FILENAME).
570 Don't use that together with FILTER."
575 arg nil distinguish-one-marked)))
576 result)
579 all-of-them
584 result)))
585 \f
586 ;; The dired command
589 ;; For use in interactive.
594 dired-listing-switches))
595 ;; If a dialog is about to be used, call read-directory-name so
596 ;; the dialog code knows we want directories. Some dialogs can
597 ;; only select directories or files when popped up, not both.
600 nil default-directory nil)
609 ;; We need a mix of read-file-name and
610 ;; read-directory-name so that completion to directories
611 ;; is preferred, but if the user wants to enter a global
612 ;; pattern, he can still use completion on filenames to
613 ;; help him write the pattern.
614 ;; Essentially, we want to use
615 ;; (completion-table-with-predicate
616 ;; 'read-file-name-internal 'file-directory-p nil)
617 ;; but that doesn't work because read-file-name-internal
618 ;; does not obey its `predicate' argument.
624 ;; Hack! Faster than file-directory-p!
635 nil default-directory nil))))))))
637 ;;;###autoload (define-key ctl-x-map "d" 'dired)
638 ;;;###autoload
641 Optional second argument SWITCHES specifies the `ls' options used.
642 \(Interactively, use a prefix argument to be able to specify SWITCHES.)
643 Dired displays a list of files in DIRNAME (which may also have
644 shell wildcards appended to select certain files). If DIRNAME is a cons,
645 its first element is taken as the directory name and the rest as an explicit
646 list of files to make directory entries for.
648 You can move around in it with the usual commands.
653 If DIRNAME is already in a dired buffer, that buffer is used without refresh."
654 ;; Cannot use (interactive "D") because of wildcards.
658 ;;;###autoload (define-key ctl-x-4-map "d" 'dired-other-window)
659 ;;;###autoload
665 ;;;###autoload (define-key ctl-x-5-map "d" 'dired-other-frame)
666 ;;;###autoload
672 ;;;###autoload
674 "Like `dired' but returns the dired buffer as value, does not select it."
676 ;; This loses the distinction between "/foo/*/" and "/foo/*" that
677 ;; some shells make:
688 ;; If the argument was syntactically a directory name not a file name,
689 ;; or if it happens to name a file that is a directory,
690 ;; convert it syntactically to a directory name.
691 ;; The reason for checking initially-was-dirname
692 ;; and not just file-directory-p
693 ;; is that file-directory-p is slow over ftp.
701 ;; The following is an internal dired function. It returns non-nil if
702 ;; the directory visited by the current dired buffer has changed on
703 ;; disk. DIRNAME should be the directory name of that directory.
712 "Return non-nil if current dired buffer needs updating.
713 If NOCONFIRM is non-nil, then this function always returns nil
714 for a remote directory. This feature is used by Auto Revert Mode."
720 ;; Do not auto-revert when the dired buffer can be currently
721 ;; written by the user as in `wdired-mode'.
722 buffer-read-only
726 ;; If there is an existing dired buffer for DIRNAME, just leave
727 ;; buffer as it is (don't even call dired-revert).
728 ;; This saves time especially for deep trees or with ange-ftp.
729 ;; The user can type `g' easily, and it is more consistent with find-file.
730 ;; But if SWITCHES are given they are probably different from the
731 ;; buffer's old value, so call dired-sort-other, which does
732 ;; revert the buffer.
733 ;; A pity we can't possibly do "Directory has changed - refresh? "
734 ;; like find-file does.
735 ;; Optional argument MODE is passed to dired-find-buffer-nocreate,
736 ;; see there.
738 buffer
739 ;; note that buffer already is in dired-mode, if found
740 new-buffer-p
745 ;; Look for an existing buffer.
750 ;; We don't want default-major-mode to run hooks and set auto-fill
751 ;; or whatever, now that dired-mode does not
752 ;; kill-all-local-variables any longer.
757 ;; file list may have changed
759 ;; this calls dired-revert
761 ;; If directory has changed on disk, offer to revert.
766 ;; Else a new buffer
768 ;; We can do this unconditionally
769 ;; because dired-noselect ensures that the name
770 ;; is passed in directory name syntax
771 ;; if it was the name of a directory at all.
776 ;; default-directory and dired-actual-switches are set now
777 ;; (buffer-local), so we can call dired-readin:
782 ;; dired-readin can fail if parent directories are inaccessible.
783 ;; Don't leave an empty buffer around in that case.
788 buffer))
791 ;; Enlarged by dired-advertise
792 ;; Queried by function dired-buffers-for-dir. When this detects a
793 ;; killed buffer, it is removed from this list.
797 ;; This differs from dired-buffers-for-dir in that it does not consider
798 ;; subdirs of default-directory and searches for the first match only.
799 ;; Also, the major mode must be MODE.
809 dired-directory ;; nil during find-alternate-file
814 dired-directory))))
816 blist nil)
818 found))
820 \f
821 ;; Read in a new dired buffer
824 "Read in a new dired buffer.
825 Differs from `dired-insert-subdir' in that it accepts
826 wildcards, erases the buffer, and builds the subdir-alist anew
827 \(including making it buffer-local and clearing it first)."
829 ;; default-directory and dired-actual-switches must be buffer-local
830 ;; and initialized by now.
837 ;; This hook which may want to modify dired-actual-switches
838 ;; based on dired-directory, e.g. with ange-ftp to a SysV host
839 ;; where ls won't understand -Al switches.
847 ;; Don't make undo entries for readin.
853 ;; Must first make alist buffer local and set it to nil because
854 ;; dired-build-subdir-alist will call dired-clear-alist first
861 ;; No need to narrow since the whole buffer contains just
862 ;; dired-readin's output, nothing else. The hook can
863 ;; successfully use dired functions (e.g. dired-get-filename)
864 ;; as the subdir-alist has been built in dired-readin.
867 ;; Subroutines of dired-readin
870 ;; Insert listing for the specified dir (and maybe file list)
871 ;; already in dired-directory, assuming a clean buffer.
877 file-list nil))
881 ;; If we are reading a whole single directory...
886 ;; Else treat it as a wildcard spec
887 ;; unless we have an explicit list of files.
892 "Align the fields of a file to the ones of surrounding lines.
893 BEG..END is the line where the file info is located."
894 ;; Some versions of ls try to adjust the size of each field so as to just
895 ;; hold the largest element ("largest" in the current invocation, of
896 ;; course). So when a single line is output, the size of each field is
897 ;; just big enough for that one output. Thus when dired refreshes one
898 ;; line, the alignment if this line w.r.t the rest is messed up because
899 ;; the fields of that one line will generally be smaller.
900 ;;
901 ;; To work around this problem, we here add spaces to try and
902 ;; re-align the fields as needed. Since this is purely aesthetic,
903 ;; it is of utmost importance that it doesn't mess up anything like
904 ;; `dired-move-to-filename'. To this end, we limit ourselves to
905 ;; adding spaces only, and to only add them at places where there
906 ;; was already at least one space. This way, as long as
907 ;; `directory-listing-before-filename-regexp' always matches spaces
908 ;; with "*" or "+", we know we haven't made anything worse. There
909 ;; is one spot where the exact number of spaces is important, which
910 ;; is just before the actual filename, so we refrain from adding
911 ;; spaces there (and within the filename as well, of course).
914 ;; Check the there is indeed a file, and that there is anoter adjacent
915 ;; file with which to align, and that additional spaces are needed to
916 ;; align the filenames.
929 ;; Make sure there is some work left to do.
931 ;; If we've only looked at the line above, check to see if the line
932 ;; below exists as well and if so, align with the shorter one.
941 ;; Keep positions uptodate when we insert stuff.
944 ;; Main loop.
948 ;; Don't touch anything just before (and after) the
949 ;; beginning of the filename.
951 ;; We're now just in front of a field, with a space behind us.
953 ;; Nums are right-aligned.
955 ;; Let's look at the other line, in the same column: we
956 ;; should be either near the end of the previous field, or
957 ;; in the space between that field and the next.
958 ;; [ Of course, it's also possible that we're already within
959 ;; the next field or even past it, but that's unlikely since
960 ;; other-col > file-col. ]
961 ;; Let's find the distance to the alignment-point (either
962 ;; the beginning or the end of the next field, depending on
963 ;; whether this field is left or right aligned).
973 ;; Now, the number of spaces to insert is align-pt-offset
974 ;; minus the distance to the equivalent point on the
975 ;; current line.
978 align-pt-offset
988 ;; Let's just make really sure we did not mess up.
991 ;; Damn! We messed up: let's revert the change.
993 ;; Now skip to next field.
999 "Insert a directory listing of DIR, Dired style.
1000 Use SWITCHES to make the listings.
1001 If FILE-LIST is non-nil, list only those files.
1002 Otherwise, if WILDCARD is non-nil, expand wildcards;
1003 in that case, DIR should be a file name that uses wildcards.
1004 In other cases, DIR should be a directory name or a directory filename.
1005 If HDR is non-nil, insert a header line with the directory name."
1008 end)
1011 ;; We used to specify the C locale here, to force English month names;
1012 ;; but this should not be necessary any more,
1013 ;; with the new value of `directory-listing-before-filename-regexp'.
1018 ;; Re-align fields, if necessary.
1021 ;; Quote certain characters, unless ls quoted them for us.
1030 nil t))
1036 nil t))
1039 ;; If we used --dired and it worked, the lines are already indented.
1040 ;; Otherwise, indent them.
1046 ;; Insert text at the beginning to standardize things.
1052 ;; Note that dired-build-subdir-alist will replace the name
1053 ;; by its expansion, so it does not matter whether what we insert
1054 ;; here is fully expanded, but it should be absolute.
1057 ;; Insert "wildcard" line where "total" line would be for a full dir.
1061 "Make the file names highlight when the mouse is on them."
1073 dired-filename t
1077 \f
1078 ;; Reverting a dired buffer
1081 "Reread the dired buffer.
1082 Must also be called after `dired-actual-switches' have changed.
1083 Should not fail even on completely garbaged buffers.
1084 Preserves old cursor, marks/flags, hidden-p."
1097 ;; treat top level dir extra (it may contain wildcards)
1100 ;; Run dired-after-readin-hook just once, below.
1105 ;; ... run the hook for the whole buffer, and only after markers
1106 ;; have been reinserted (else omitting in dired-x would omit marked files)
1116 ;; outside of the let scope
1117 ;;; Might as well not override the user if the user changed this.
1118 ;;; (setq buffer-read-only t)
1119 )
1121 ;; Subroutines of dired-revert
1122 ;; Some of these are also used when inserting subdirs.
1125 "Return alist of files and their marks, from BEG to END."
1136 alist))
1139 "Mark all files remembered in ALIST.
1140 Each element of ALIST looks like (FILE . MARKERCHAR)."
1154 "Return a list of names of subdirs currently hidden."
1164 result))
1167 "Try to insert all subdirs that were displayed before.
1168 Do so according to the former subdir alist OLD-SUBDIR-ALIST."
1182 "Remove directory DIR from any directory cache."
1186 \f
1187 ;; dired mode key bindings and initialization
1190 ;; This looks ugly when substitute-command-keys uses C-d instead d:
1191 ;; (define-key dired-mode-map "\C-d" 'dired-flag-file-deletion)
1196 ;; Commands to mark or flag certain categories of files
1200 ;; Upper case keys (except !) for operating on the marked files
1219 ;; Comparison commands
1222 ;; Tree Dired commands
1228 ;; move to marked files
1231 ;; Make all regexp commands share a `%' prefix:
1232 ;; We used to get to the submap via a symbol dired-regexp-prefix,
1233 ;; but that seems to serve little purpose, and copy-keymap
1234 ;; does a better job without it.
1247 ;; Commands for marking and unmarking.
1264 ;; Lower keys for commands not operating on all the marked files
1290 ;; moving
1298 (define-key map [up] 'dired-previous-line)
1299 ;; hiding
1300 (define-key map "$" 'dired-hide-subdir)
1301 (define-key map "\M-$" 'dired-hide-all)
1302 ;; isearch
1303 (define-key map (kbd "M-s a C-s") 'dired-do-isearch)
1304 (define-key map (kbd "M-s a M-C-s") 'dired-do-isearch-regexp)
1305 (define-key map (kbd "M-s f C-s") 'dired-isearch-filenames)
1306 (define-key map (kbd "M-s f M-C-s") 'dired-isearch-filenames-regexp)
1307 ;; misc
1308 (define-key map "\C-x\C-q" 'dired-toggle-read-only)
1309 (define-key map "?" 'dired-summary)
1311 (define-key map [remap undo] 'dired-undo)
1312 (define-key map [remap advertised-undo] 'dired-undo)
1313 ;; thumbnail manipulation (image-dired)
1314 (define-key map "\C-td" 'image-dired-display-thumbs)
1315 (define-key map "\C-tt" 'image-dired-tag-files)
1316 (define-key map "\C-tr" 'image-dired-delete-tag)
1317 (define-key map "\C-tj" 'image-dired-jump-thumbnail-buffer)
1318 (define-key map "\C-ti" 'image-dired-dired-display-image)
1319 (define-key map "\C-tx" 'image-dired-dired-display-external)
1320 (define-key map "\C-ta" 'image-dired-display-thumbs-append)
1321 (define-key map "\C-t." 'image-dired-display-thumb)
1322 (define-key map "\C-tc" 'image-dired-dired-comment-files)
1323 (define-key map "\C-tf" 'image-dired-mark-tagged-files)
1324 (define-key map "\C-t\C-t" 'image-dired-dired-insert-marked-thumbs)
1325 (define-key map "\C-te" 'image-dired-dired-edit-comment-and-tags)
1326 ;; encryption and decryption (epa-dired)
1327 (define-key map ":d" 'epa-dired-do-decrypt)
1328 (define-key map ":v" 'epa-dired-do-verify)
1329 (define-key map ":s" 'epa-dired-do-sign)
1330 (define-key map ":e" 'epa-dired-do-encrypt)
1332 ;; Make menu bar items.
1334 ;; No need to fo this, now that top-level items are fewer.
1335 ;;;;
1336 ;; Get rid of the Edit menu bar item to save space.
1337 ;(define-key map [menu-bar edit] 'undefined)
1339 (define-key map [menu-bar subdir]
1340 (cons "Subdir" (make-sparse-keymap "Subdir")))
1342 (define-key map [menu-bar subdir hide-all]
1343 '(menu-item "Hide All" dired-hide-all
1344 :help "Hide all subdirectories, leave only header lines"))
1345 (define-key map [menu-bar subdir hide-subdir]
1346 '(menu-item "Hide/UnHide Subdir" dired-hide-subdir
1347 :help "Hide or unhide current directory listing"))
1348 (define-key map [menu-bar subdir tree-down]
1349 '(menu-item "Tree Down" dired-tree-down
1350 :help "Go to first subdirectory header down the tree"))
1351 (define-key map [menu-bar subdir tree-up]
1352 '(menu-item "Tree Up" dired-tree-up
1353 :help "Go to first subdirectory header up the tree"))
1354 (define-key map [menu-bar subdir up]
1355 '(menu-item "Up Directory" dired-up-directory
1356 :help "Edit the parent directory"))
1357 (define-key map [menu-bar subdir prev-subdir]
1358 '(menu-item "Prev Subdir" dired-prev-subdir
1359 :help "Go to previous subdirectory header line"))
1360 (define-key map [menu-bar subdir next-subdir]
1361 '(menu-item "Next Subdir" dired-next-subdir
1362 :help "Go to next subdirectory header line"))
1363 (define-key map [menu-bar subdir prev-dirline]
1364 '(menu-item "Prev Dirline" dired-prev-dirline
1365 :help "Move to next directory-file line"))
1366 (define-key map [menu-bar subdir next-dirline]
1367 '(menu-item "Next Dirline" dired-next-dirline
1368 :help "Move to previous directory-file line"))
1369 (define-key map [menu-bar subdir insert]
1370 '(menu-item "Insert This Subdir" dired-maybe-insert-subdir
1371 :help "Insert contents of subdirectory"))
1373 (define-key map [menu-bar immediate]
1374 (cons "Immediate" (make-sparse-keymap "Immediate")))
1376 (define-key map
1377 [menu-bar immediate epa-dired-do-decrypt]
1378 '(menu-item "Decrypt" epa-dired-do-decrypt
1379 :help "Decrypt file at cursor"))
1381 (define-key map
1382 [menu-bar immediate epa-dired-do-verify]
1383 '(menu-item "Verify" epa-dired-do-verify
1384 :help "Verify digital signature of file at cursor"))
1386 (define-key map
1387 [menu-bar immediate epa-dired-do-sign]
1388 '(menu-item "Sign" epa-dired-do-sign
1389 :help "Create digital signature of file at cursor"))
1391 (define-key map
1392 [menu-bar immediate epa-dired-do-encrypt]
1393 '(menu-item "Encrypt" epa-dired-do-encrypt
1394 :help "Encrypt file at cursor"))
1396 (define-key map [menu-bar immediate dashes-4]
1397 '("--"))
1399 (define-key map
1400 [menu-bar immediate image-dired-dired-display-external]
1401 '(menu-item "Display Image Externally" image-dired-dired-display-external
1402 :help "Display image in external viewer"))
1403 (define-key map
1404 [menu-bar immediate image-dired-dired-display-image]
1405 '(menu-item "Display Image" image-dired-dired-display-image
1406 :help "Display sized image in a separate window"))
1408 (define-key map [menu-bar immediate dashes-4]
1409 '("--"))
1411 (define-key map [menu-bar immediate revert-buffer]
1412 '(menu-item "Refresh" revert-buffer
1413 :help "Update contents of shown directories"))
1415 (define-key map [menu-bar immediate dashes]
1416 '("--"))
1418 (define-key map [menu-bar immediate isearch-filenames-regexp]
1419 '(menu-item "Isearch Regexp in File Names..." dired-isearch-filenames-regexp
1420 :help "Incrementally search for regexp in file names only"))
1421 (define-key map [menu-bar immediate isearch-filenames]
1422 '(menu-item "Isearch in File Names..." dired-isearch-filenames
1423 :help "Incrementally search for string in file names only."))
1424 (define-key map [menu-bar immediate compare-directories]
1425 '(menu-item "Compare Directories..." dired-compare-directories
1426 :help "Mark files with different attributes in two dired buffers"))
1427 (define-key map [menu-bar immediate backup-diff]
1428 '(menu-item "Compare with Backup" dired-backup-diff
1429 :help "Diff file at cursor with its latest backup"))
1430 (define-key map [menu-bar immediate diff]
1431 '(menu-item "Diff..." dired-diff
1432 :help "Compare file at cursor with another file"))
1433 (define-key map [menu-bar immediate view]
1434 '(menu-item "View This File" dired-view-file
1435 :help "Examine file at cursor in read-only mode"))
1436 (define-key map [menu-bar immediate display]
1437 '(menu-item "Display in Other Window" dired-display-file
1438 :help "Display file at cursor in other window"))
1439 (define-key map [menu-bar immediate find-file-other-window]
1440 '(menu-item "Find in Other Window" dired-find-file-other-window
1441 :help "Edit file at cursor in other window"))
1442 (define-key map [menu-bar immediate find-file]
1443 '(menu-item "Find This File" dired-find-file
1444 :help "Edit file at cursor"))
1445 (define-key map [menu-bar immediate create-directory]
1446 '(menu-item "Create Directory..." dired-create-directory
1447 :help "Create a directory"))
1448 (define-key map [menu-bar immediate wdired-mode]
1449 '(menu-item "Edit File Names" wdired-change-to-wdired-mode
1450 :help "Put a dired buffer in a mode in which filenames are editable"
1451 :keys "C-x C-q"
1452 :filter (lambda (x) (if (eq major-mode 'dired-mode) x))))
1454 (define-key map [menu-bar regexp]
1455 (cons "Regexp" (make-sparse-keymap "Regexp")))
1457 (define-key map
1458 [menu-bar regexp image-dired-mark-tagged-files]
1459 '(menu-item "Mark From Image Tag..." image-dired-mark-tagged-files
1460 :help "Mark files whose image tags matches regexp"))
1462 (define-key map [menu-bar regexp dashes-1]
1463 '("--"))
1465 (define-key map [menu-bar regexp downcase]
1466 '(menu-item "Downcase" dired-downcase
1467 ;; When running on plain MS-DOS, there's only one
1468 ;; letter-case for file names.
1469 :enable (or (not (fboundp 'msdos-long-file-names))
1470 (msdos-long-file-names))
1471 :help "Rename marked files to lower-case name"))
1472 (define-key map [menu-bar regexp upcase]
1473 '(menu-item "Upcase" dired-upcase
1474 :enable (or (not (fboundp 'msdos-long-file-names))
1475 (msdos-long-file-names))
1476 :help "Rename marked files to upper-case name"))
1477 (define-key map [menu-bar regexp hardlink]
1478 '(menu-item "Hardlink..." dired-do-hardlink-regexp
1479 :help "Make hard links for files matching regexp"))
1480 (define-key map [menu-bar regexp symlink]
1481 '(menu-item "Symlink..." dired-do-symlink-regexp
1482 :visible (fboundp 'make-symbolic-link)
1483 :help "Make symbolic links for files matching regexp"))
1484 (define-key map [menu-bar regexp rename]
1485 '(menu-item "Rename..." dired-do-rename-regexp
1486 :help "Rename marked files matching regexp"))
1487 (define-key map [menu-bar regexp copy]
1488 '(menu-item "Copy..." dired-do-copy-regexp
1489 :help "Copy marked files matching regexp"))
1490 (define-key map [menu-bar regexp flag]
1491 '(menu-item "Flag..." dired-flag-files-regexp
1492 :help "Flag files matching regexp for deletion"))
1493 (define-key map [menu-bar regexp mark]
1494 '(menu-item "Mark..." dired-mark-files-regexp
1495 :help "Mark files matching regexp for future operations"))
1496 (define-key map [menu-bar regexp mark-cont]
1497 '(menu-item "Mark Containing..." dired-mark-files-containing-regexp
1498 :help "Mark files whose contents matches regexp"))
1500 (define-key map [menu-bar mark]
1501 (cons "Mark" (make-sparse-keymap "Mark")))
1503 (define-key map [menu-bar mark prev]
1504 '(menu-item "Previous Marked" dired-prev-marked-file
1505 :help "Move to previous marked file"))
1506 (define-key map [menu-bar mark next]
1507 '(menu-item "Next Marked" dired-next-marked-file
1508 :help "Move to next marked file"))
1509 (define-key map [menu-bar mark marks]
1510 '(menu-item "Change Marks..." dired-change-marks
1511 :help "Replace marker with another character"))
1512 (define-key map [menu-bar mark unmark-all]
1513 '(menu-item "Unmark All" dired-unmark-all-marks))
1514 (define-key map [menu-bar mark symlinks]
1515 '(menu-item "Mark Symlinks" dired-mark-symlinks
1516 :visible (fboundp 'make-symbolic-link)
1517 :help "Mark all symbolic links"))
1518 (define-key map [menu-bar mark directories]
1519 '(menu-item "Mark Directories" dired-mark-directories
1520 :help "Mark all directories except `.' and `..'"))
1521 (define-key map [menu-bar mark directory]
1522 '(menu-item "Mark Old Backups" dired-clean-directory
1523 :help "Flag old numbered backups for deletion"))
1524 (define-key map [menu-bar mark executables]
1525 '(menu-item "Mark Executables" dired-mark-executables
1526 :help "Mark all executable files"))
1527 (define-key map [menu-bar mark garbage-files]
1528 '(menu-item "Flag Garbage Files" dired-flag-garbage-files
1529 :help "Flag unneeded files for deletion"))
1530 (define-key map [menu-bar mark backup-files]
1531 '(menu-item "Flag Backup Files" dired-flag-backup-files
1532 :help "Flag all backup files for deletion"))
1533 (define-key map [menu-bar mark auto-save-files]
1534 '(menu-item "Flag Auto-save Files" dired-flag-auto-save-files
1535 :help "Flag auto-save files for deletion"))
1536 (define-key map [menu-bar mark deletion]
1537 '(menu-item "Flag" dired-flag-file-deletion
1538 :help "Flag current line's file for deletion"))
1539 (define-key map [menu-bar mark unmark]
1540 '(menu-item "Unmark" dired-unmark
1541 :help "Unmark or unflag current line's file"))
1542 (define-key map [menu-bar mark mark]
1543 '(menu-item "Mark" dired-mark
1544 :help "Mark current line's file for future operations"))
1545 (define-key map [menu-bar mark toggle-marks]
1546 '(menu-item "Toggle Marks" dired-toggle-marks
1547 :help "Mark unmarked files, unmark marked ones"))
1549 (define-key map [menu-bar operate]
1550 (cons "Operate" (make-sparse-keymap "Operate")))
1552 (define-key map
1553 [menu-bar operate image-dired-delete-tag]
1554 '(menu-item "Delete Image Tag..." image-dired-delete-tag
1555 :help "Delete image tag from current or marked files"))
1556 (define-key map
1557 [menu-bar operate image-dired-tag-files]
1558 '(menu-item "Add Image Tags..." image-dired-tag-files
1559 :help "Add image tags to current or marked files"))
1560 (define-key map
1561 [menu-bar operate image-dired-dired-comment-files]
1562 '(menu-item "Add Image Comment..." image-dired-dired-comment-files
1563 :help "Add image comment to current or marked files"))
1564 (define-key map
1565 [menu-bar operate image-dired-display-thumbs]
1566 '(menu-item "Display image thumbnails" image-dired-display-thumbs
1567 :help "Display image thumbnails for current or marked image files"))
1569 (define-key map [menu-bar operate dashes-3]
1570 '("--"))
1572 (define-key map [menu-bar operate query-replace]
1573 '(menu-item "Query Replace in Files..." dired-do-query-replace-regexp
1574 :help "Replace regexp in marked files"))
1575 (define-key map [menu-bar operate search]
1576 '(menu-item "Search Files..." dired-do-search
1577 :help "Search marked files for regexp"))
1578 (define-key map [menu-bar operate isearch-regexp]
1579 '(menu-item "Isearch Regexp Files..." dired-do-isearch-regexp
1580 :help "Incrementally search marked files for regexp"))
1581 (define-key map [menu-bar operate isearch]
1582 '(menu-item "Isearch Files..." dired-do-isearch
1583 :help "Incrementally search marked files for string"))
1584 (define-key map [menu-bar operate chown]
1585 '(menu-item "Change Owner..." dired-do-chown
1586 :visible (not (memq system-type '(ms-dos windows-nt)))
1587 :help "Change the owner of marked files"))
1588 (define-key map [menu-bar operate chgrp]
1589 '(menu-item "Change Group..." dired-do-chgrp
1590 :visible (not (memq system-type '(ms-dos windows-nt)))
1591 :help "Change the group of marked files"))
1592 (define-key map [menu-bar operate chmod]
1593 '(menu-item "Change Mode..." dired-do-chmod
1594 :help "Change mode (attributes) of marked files"))
1595 (define-key map [menu-bar operate touch]
1596 '(menu-item "Change Timestamp..." dired-do-touch
1597 :help "Change timestamp of marked files"))
1598 (define-key map [menu-bar operate load]
1599 '(menu-item "Load" dired-do-load
1600 :help "Load marked Emacs Lisp files"))
1601 (define-key map [menu-bar operate compile]
1602 '(menu-item "Byte-compile" dired-do-byte-compile
1603 :help "Byte-compile marked Emacs Lisp files"))
1604 (define-key map [menu-bar operate compress]
1605 '(menu-item "Compress" dired-do-compress
1606 :help "Compress/uncompress marked files"))
1607 (define-key map [menu-bar operate print]
1608 '(menu-item "Print..." dired-do-print
1609 :help "Ask for print command and print marked files"))
1610 (define-key map [menu-bar operate hardlink]
1611 '(menu-item "Hardlink to..." dired-do-hardlink
1612 :help "Make hard links for current or marked files"))
1613 (define-key map [menu-bar operate symlink]
1614 '(menu-item "Symlink to..." dired-do-symlink
1615 :visible (fboundp 'make-symbolic-link)
1616 :help "Make symbolic links for current or marked files"))
1617 (define-key map [menu-bar operate command]
1618 '(menu-item "Shell Command..." dired-do-shell-command
1619 :help "Run a shell command on each of marked files"))
1620 (define-key map [menu-bar operate delete]
1621 '(menu-item "Delete" dired-do-delete
1622 :help "Delete current file or all marked files"))
1623 (define-key map [menu-bar operate rename]
1624 '(menu-item "Rename to..." dired-do-rename
1625 :help "Rename current file or move marked files"))
1626 (define-key map [menu-bar operate copy]
1627 '(menu-item "Copy to..." dired-do-copy
1628 :help "Copy current file or all marked files"))
1630 map)
1631 "Local keymap for `dired-mode' buffers.")
1632 \f
1633 ;; Dired mode is suitable only for specially formatted data.
1634 (put 'dired-mode 'mode-class 'special)
1636 ;; Autoload cookie needed by desktop.el
1637 ;;;###autoload
1638 (defun dired-mode (&optional dirname switches)
1639 "\
1642 \(optionally) its subdirectories, in the format of `ls -lR'.
1645 compress, load or byte-compile them, change their file attributes
1648 by file or all files matching certain criteria.
1650 Letters no longer insert themselves. Digits are prefix arguments.
1653 Most commands operate on the marked files and use the current file
1654 if no files are marked. Use a numeric prefix argument to operate on
1655 the next ARG (or previous -ARG if ARG<0) files, or just `1'
1656 to operate on the current file only. Prefix arguments override marks.
1658 to see why something went wrong.
1663 (or dired it in another buffer, if it is a directory).
1670 This retains all marks and hides subdirs again that were hidden before.
1671 SPC and DEL can be used to move down and up by lines.
1674 to read the
1676 to relist a single or the marked files or a
1678 again for the directory tree.
1681 for more info):
1683 `dired-listing-switches'
1684 `dired-trivial-filenames'
1685 `dired-shrink-to-fit'
1686 `dired-marker-char'
1687 `dired-del-marker'
1688 `dired-keep-marker-rename'
1689 `dired-keep-marker-copy'
1690 `dired-keep-marker-hardlink'
1691 `dired-keep-marker-symlink'
1695 `dired-before-readin-hook'
1696 `dired-after-readin-hook'
1697 `dired-mode-hook'
1698 `dired-load-hook'
1700 Keybindings:
1702 ;; Not to be called interactively (e.g. dired-directory will be set
1703 ;; to default-directory, which is wrong with wildcards).
1704 (kill-all-local-variables)
1705 (use-local-map dired-mode-map)
1706 (dired-advertise) ; default-directory is already set
1707 (setq major-mode 'dired-mode
1708 mode-name "Dired"
1709 ;; case-fold-search nil
1710 buffer-read-only t
1711 selective-display t ; for subdirectory hiding
1712 mode-line-buffer-identification
1713 (propertized-buffer-identification "%17b"))
1714 (set (make-local-variable 'revert-buffer-function)
1715 (function dired-revert))
1716 (set (make-local-variable 'buffer-stale-function)
1717 (function dired-buffer-stale-p))
1718 (set (make-local-variable 'page-delimiter)
1720 (set (make-local-variable 'dired-directory)
1721 (or dirname default-directory))
1722 ;; list-buffers uses this to display the dir being edited in this buffer.
1723 (set (make-local-variable 'list-buffers-directory)
1724 (expand-file-name (if (listp dired-directory)
1725 (car dired-directory)
1726 dired-directory)))
1727 (set (make-local-variable 'dired-actual-switches)
1728 (or switches dired-listing-switches))
1729 (set (make-local-variable 'font-lock-defaults)
1730 '(dired-font-lock-keywords t nil nil beginning-of-line))
1731 (set (make-local-variable 'desktop-save-buffer)
1732 'dired-desktop-buffer-misc-data)
1733 (setq dired-switches-alist nil)
1734 (dired-sort-other dired-actual-switches t)
1735 (when (featurep 'dnd)
1736 (set (make-local-variable 'dnd-protocol-alist)
1737 (append dired-dnd-protocol-alist dnd-protocol-alist)))
1738 (add-hook 'isearch-mode-hook 'dired-isearch-filenames-setup nil t)
1739 (run-mode-hooks 'dired-mode-hook))
1740 \f
1741 ;; Idiosyncratic dired commands that don't deal with marks.
1743 (defun dired-summary ()
1744 "Summarize basic Dired commands and show recent dired errors."
1745 (interactive)
1746 (dired-why)
1747 ;>> this should check the key-bindings and use substitute-command-keys if non-standard
1748 (message
1749 "d-elete, u-ndelete, x-punge, f-ind, o-ther window, R-ename, C-opy, h-elp"))
1751 (defun dired-undo ()
1752 "Undo in a dired buffer.
1753 This doesn't recover lost files, it just undoes changes in the buffer itself.
1754 You can use it to recover marks, killed lines or subdirs."
1755 (interactive)
1756 (let ((inhibit-read-only t))
1757 (undo))
1758 (dired-build-subdir-alist)
1759 (message "Change in dired buffer undone.
1760 Actual changes in files cannot be undone by Emacs."))
1762 (defun dired-toggle-read-only ()
1763 "Edit dired buffer with Wdired, or set it read-only.
1764 Call `wdired-change-to-wdired-mode' in dired buffers whose editing is
1765 supported by Wdired (the major mode of the dired buffer is `dired-mode').
1766 Otherwise, for buffers inheriting from dired-mode, call `toggle-read-only'."
1767 (interactive)
1768 (if (eq major-mode 'dired-mode)
1769 (wdired-change-to-wdired-mode)
1770 (toggle-read-only)))
1772 (defun dired-next-line (arg)
1773 "Move down lines then position at filename.
1774 Optional prefix ARG says how many lines to move; default is one line."
1775 (interactive "p")
1776 (forward-line arg)
1777 (dired-move-to-filename))
1779 (defun dired-previous-line (arg)
1780 "Move up lines then position at filename.
1781 Optional prefix ARG says how many lines to move; default is one line."
1782 (interactive "p")
1783 (forward-line (- arg))
1784 (dired-move-to-filename))
1786 (defun dired-next-dirline (arg &optional opoint)
1787 "Goto ARG'th next directory file line."
1788 (interactive "p")
1789 (or opoint (setq opoint (point)))
1790 (if (if (> arg 0)
1791 (re-search-forward dired-re-dir nil t arg)
1792 (beginning-of-line)
1793 (re-search-backward dired-re-dir nil t (- arg)))
1794 (dired-move-to-filename) ; user may type `i' or `f'
1795 (goto-char opoint)
1796 (error "No more subdirectories")))
1798 (defun dired-prev-dirline (arg)
1799 "Goto ARG'th previous directory file line."
1800 (interactive "p")
1801 (dired-next-dirline (- arg)))
1803 (defun dired-up-directory (&optional other-window)
1804 "Run Dired on parent directory of current directory.
1805 Find the parent directory either in this buffer or another buffer.
1806 Creates a buffer if necessary."
1807 (interactive "P")
1808 (let* ((dir (dired-current-directory))
1809 (up (file-name-directory (directory-file-name dir))))
1810 (or (dired-goto-file (directory-file-name dir))
1811 ;; Only try dired-goto-subdir if buffer has more than one dir.
1812 (and (cdr dired-subdir-alist)
1813 (dired-goto-subdir up))
1814 (progn
1815 (if other-window
1816 (dired-other-window up)
1817 (dired up))
1818 (dired-goto-file dir)))))
1820 (defun dired-get-file-for-visit ()
1821 "Get the current line's file name, with an error if file does not exist."
1822 (interactive)
1823 ;; We pass t for second arg so that we don't get error for `.' and `..'.
1824 (let ((raw (dired-get-filename nil t))
1825 file-name)
1826 (if (null raw)
1827 (error "No file on this line"))
1828 (setq file-name (file-name-sans-versions raw t))
1829 (if (file-exists-p file-name)
1830 file-name
1831 (if (file-symlink-p file-name)
1832 (error "File is a symlink to a nonexistent target")
1833 (error "File no longer exists; type `g' to update dired buffer")))))
1835 ;; Force `f' rather than `e' in the mode doc:
1836 (defalias 'dired-advertised-find-file 'dired-find-file)
1837 (defun dired-find-file ()
1838 "In Dired, visit the file or directory named on this line."
1839 (interactive)
1840 ;; Bind `find-file-run-dired' so that the command works on directories
1841 ;; too, independent of the user's setting.
1842 (let ((find-file-run-dired t))
1843 (find-file (dired-get-file-for-visit))))
1845 (defun dired-find-alternate-file ()
1846 "In Dired, visit this file or directory instead of the dired buffer."
1847 (interactive)
1848 (set-buffer-modified-p nil)
1849 (find-alternate-file (dired-get-file-for-visit)))
1850 ;; Don't override the setting from .emacs.
1851 ;;;###autoload (put 'dired-find-alternate-file 'disabled t)
1853 (defun dired-mouse-find-file-other-window (event)
1854 "In Dired, visit the file or directory name you click on."
1855 (interactive "e")
1856 (let (window pos file)
1857 (save-excursion
1858 (setq window (posn-window (event-end event))
1859 pos (posn-point (event-end event)))
1860 (if (not (windowp window))
1861 (error "No file chosen"))
1862 (set-buffer (window-buffer window))
1863 (goto-char pos)
1864 (setq file (dired-get-file-for-visit)))
1865 (if (file-directory-p file)
1866 (or (and (cdr dired-subdir-alist)
1867 (dired-goto-subdir file))
1868 (progn
1869 (select-window window)
1870 (dired-other-window file)))
1871 (select-window window)
1872 (find-file-other-window (file-name-sans-versions file t)))))
1874 (defun dired-view-file ()
1875 "In Dired, examine a file in view mode, returning to Dired when done.
1876 When file is a directory, show it in this buffer if it is inserted.
1877 Otherwise, display it in another buffer."
1878 (interactive)
1879 (let ((file (dired-get-file-for-visit)))
1880 (if (file-directory-p file)
1881 (or (and (cdr dired-subdir-alist)
1882 (dired-goto-subdir file))
1883 (dired file))
1884 (view-file file))))
1886 (defun dired-find-file-other-window ()
1887 "In Dired, visit this file or directory in another window."
1888 (interactive)
1889 (find-file-other-window (dired-get-file-for-visit)))
1891 (defun dired-display-file ()
1892 "In Dired, display this file or directory in another window."
1893 (interactive)
1894 (display-buffer (find-file-noselect (dired-get-file-for-visit))))
1895 \f
1896 ;;; Functions for extracting and manipulating file names in Dired buffers.
1898 (defun dired-get-filename (&optional localp no-error-if-not-filep)
1899 "In Dired, return name of file mentioned on this line.
1900 Value returned normally includes the directory name.
1901 Optional arg LOCALP with value `no-dir' means don't include directory
1902 name in result. A value of `verbatim' means to return the name exactly as
1903 it occurs in the buffer, and a value of t means construct name relative to
1904 `default-directory', which still may contain slashes if in a subdirectory.
1905 Optional arg NO-ERROR-IF-NOT-FILEP means treat `.' and `..' as
1906 regular filenames and return nil if no filename on this line.
1907 Otherwise, an error occurs in these cases."
1908 (let (case-fold-search file p1 p2 already-absolute)
1909 (save-excursion
1910 (if (setq p1 (dired-move-to-filename (not no-error-if-not-filep)))
1911 (setq p2 (dired-move-to-end-of-filename no-error-if-not-filep))))
1912 ;; nil if no file on this line, but no-error-if-not-filep is t:
1913 (if (setq file (and p1 p2 (buffer-substring p1 p2)))
1914 (progn
1915 ;; Get rid of the mouse-face property that file names have.
1916 (set-text-properties 0 (length file) nil file)
1917 ;; Unquote names quoted by ls or by dired-insert-directory.
1918 ;; Using read to unquote is much faster than substituting
1920 (setq file
1921 (read
1923 ;; Some ls -b don't escape quotes, argh!
1924 ;; This is not needed for GNU ls, though.
1925 (or (dired-string-replace-match
1927 file)
1929 ;; The above `read' will return a unibyte string if FILE
1930 ;; contains eight-bit-control/graphic characters.
1931 (if (and enable-multibyte-characters
1932 (not (multibyte-string-p file)))
1933 (setq file (string-to-multibyte file)))))
1934 (and file (file-name-absolute-p file)
1935 ;; A relative file name can start with ~.
1936 ;; Don't treat it as absolute in this context.
1937 (not (eq (aref file 0) ?~))
1938 (setq already-absolute t))
1939 (cond
1940 ((null file)
1941 nil)
1942 ((eq localp 'verbatim)
1943 file)
1944 ((and (not no-error-if-not-filep)
1945 (member file '("." "..")))
1946 (error "Cannot operate on `.' or `..'"))
1947 ((and (eq localp 'no-dir) already-absolute)
1948 (file-name-nondirectory file))
1949 (already-absolute
1950 (let ((handler (find-file-name-handler file nil)))
1951 ;; check for safe-magic property so that we won't
1952 ;; put /: for names that don't really need them.
1953 ;; For instance, .gz files when auto-compression-mode is on.
1954 (if (and handler (not (get handler 'safe-magic)))
1955 (concat "/:" file)
1956 file)))
1957 ((eq localp 'no-dir)
1958 file)
1959 ((equal (dired-current-directory) "/")
1960 (setq file (concat (dired-current-directory localp) file))
1961 (let ((handler (find-file-name-handler file nil)))
1962 ;; check for safe-magic property so that we won't
1963 ;; put /: for names that don't really need them.
1964 ;; For instance, .gz files when auto-compression-mode is on.
1965 (if (and handler (not (get handler 'safe-magic)))
1966 (concat "/:" file)
1967 file)))
1968 (t
1969 (concat (dired-current-directory localp) file)))))
1971 (defun dired-string-replace-match (regexp string newtext
1972 &optional literal global)
1973 "Replace first match of REGEXP in STRING with NEWTEXT.
1974 If it does not match, nil is returned instead of the new string.
1975 Optional arg LITERAL means to take NEWTEXT literally.
1976 Optional arg GLOBAL means to replace all matches."
1977 (if global
1978 (let ((start 0) ret)
1979 (while (string-match regexp string start)
1980 (let ((from-end (- (length string) (match-end 0))))
1981 (setq ret (setq string (replace-match newtext t literal string)))
1982 (setq start (- (length string) from-end))))
1983 ret)
1984 (if (not (string-match regexp string 0))
1985 nil
1986 (replace-match newtext t literal string))))
1988 (defun dired-make-absolute (file &optional dir)
1989 ;;"Convert FILE (a file name relative to DIR) to an absolute file name."
1990 ;; We can't always use expand-file-name as this would get rid of `.'
1991 ;; or expand in / instead default-directory if DIR=="".
1992 ;; This should be good enough for ange-ftp.
1993 ;; It should be reasonably fast, though, as it is called in
1994 ;; dired-get-filename.
1995 (concat (or dir default-directory) file))
1997 (defun dired-make-relative (file &optional dir ignore)
1998 "Convert FILE (an absolute file name) to a name relative to DIR.
1999 If this is impossible, return FILE unchanged.
2000 DIR must be a directory name, not a file name."
2001 (or dir (setq dir default-directory))
2002 ;; This case comes into play if default-directory is set to
2003 ;; use ~.
2004 (if (and (> (length dir) 0) (= (aref dir 0) ?~))
2005 (setq dir (expand-file-name dir)))
2006 (if (string-match (concat "^" (regexp-quote dir)) file)
2007 (substring file (match-end 0))
2008 ;;; (or no-error
2009 ;;; (error "%s: not in directory tree growing at %s" file dir))
2010 file))
2011 \f
2012 ;;; Functions for finding the file name in a dired buffer line.
2014 (defvar dired-permission-flags-regexp
2016 "Regular expression to match the permission flags in `ls -l'.")
2018 ;; Move to first char of filename on this line.
2019 ;; Returns position (point) or nil if no filename on this line."
2020 (defun dired-move-to-filename (&optional raise-error eol)
2021 "Move to the beginning of the filename on the current line.
2022 Return the position of the beginning of the filename, or nil if none found."
2023 ;; This is the UNIX version.
2024 (or eol (setq eol (line-end-position)))
2025 (beginning-of-line)
2026 ;; First try assuming `ls --dired' was used.
2027 (let ((change (next-single-property-change (point) 'dired-filename nil eol)))
2028 (cond
2029 ((and change (< change eol))
2030 (goto-char change))
2031 ((re-search-forward directory-listing-before-filename-regexp eol t)
2032 (goto-char (match-end 0)))
2033 ((re-search-forward dired-permission-flags-regexp eol t)
2034 ;; Ha! There *is* a file. Our regexp-from-hell just failed to find it.
2035 (if raise-error
2036 (error "Unrecognized line! Check directory-listing-before-filename-regexp"))
2037 (beginning-of-line)
2038 nil)
2039 (raise-error
2040 (error "No file on this line")))))
2042 (defun dired-move-to-end-of-filename (&optional no-error)
2043 ;; Assumes point is at beginning of filename,
2044 ;; thus the rwx bit re-search-backward below will succeed in *this*
2045 ;; line if at all. So, it should be called only after
2046 ;; (dired-move-to-filename t).
2047 ;; On failure, signals an error (with non-nil NO-ERROR just returns nil).
2048 ;; This is the UNIX version.
2049 (if (get-text-property (point) 'dired-filename)
2050 (goto-char (next-single-property-change (point) 'dired-filename))
2051 (let (opoint file-type executable symlink hidden case-fold-search used-F eol)
2052 ;; case-fold-search is nil now, so we can test for capital F:
2053 (setq used-F (string-match "F" dired-actual-switches)
2054 opoint (point)
2055 eol (save-excursion (end-of-line) (point))
2056 hidden (and selective-display
2058 (if hidden
2059 nil
2060 (save-excursion ;; Find out what kind of file this is:
2061 ;; Restrict perm bits to be non-blank,
2062 ;; otherwise this matches one char to early (looking backward):
2063 ;; "l---------" (some systems make symlinks that way)
2064 ;; "----------" (plain file with zero perms)
2065 (if (re-search-backward
2066 dired-permission-flags-regexp nil t)
2067 (setq file-type (char-after (match-beginning 1))
2068 symlink (eq file-type ?l)
2069 ;; Only with -F we need to know whether it's an executable
2070 executable (and
2071 used-F
2072 (string-match
2073 "[xst]" ;; execute bit set anywhere?
2074 (concat
2075 (match-string 2)
2076 (match-string 3)
2077 (match-string 4)))))
2078 (or no-error (error "No file on this line"))))
2079 ;; Move point to end of name:
2080 (if symlink
2081 (if (search-forward " -> " eol t)
2082 (progn
2083 (forward-char -4)
2084 (and used-F
2085 dired-ls-F-marks-symlinks
2086 (eq (preceding-char) ?@) ;; did ls really mark the link?
2087 (forward-char -1))))
2088 (goto-char eol) ;; else not a symbolic link
2089 ;; ls -lF marks dirs, sockets, fifos and executables with exactly
2090 ;; one trailing character. (Executable bits on symlinks ain't mean
2091 ;; a thing, even to ls, but we know it's not a symlink.)
2092 (and used-F
2093 (or (memq file-type '(?d ?s ?p))
2094 executable)
2095 (forward-char -1))))
2096 (or no-error
2097 (not (eq opoint (point)))
2098 (error "%s" (if hidden
2099 (substitute-command-keys
2101 "No file on this line")))
2102 (if (eq opoint (point))
2103 nil
2104 (point)))))
2106 \f
2107 ;;; COPY NAMES OF MARKED FILES INTO KILL-RING.
2109 (defun dired-copy-filename-as-kill (&optional arg)
2110 "Copy names of marked (or next ARG) files into the kill ring.
2111 The names are separated by a space.
2112 With a zero prefix arg, use the absolute file name of each marked file.
2114 `default-directory'. (This still may contain slashes if in a subdirectory.)
2116 If on a subdir headerline, use absolute subdirname instead;
2117 prefix arg and marked files are ignored in this case.
2120 (interactive "P")
2121 (let ((string
2122 (or (dired-get-subdir)
2123 (mapconcat (function identity)
2124 (if arg
2125 (cond ((zerop (prefix-numeric-value arg))
2126 (dired-get-marked-files))
2127 ((consp arg)
2128 (dired-get-marked-files t))
2129 (t
2130 (dired-get-marked-files
2131 'no-dir (prefix-numeric-value arg))))
2132 (dired-get-marked-files 'no-dir))
2133 " "))))
2134 (if (eq last-command 'kill-region)
2135 (kill-append string nil)
2136 (kill-new string))
2137 (message "%s" string)))
2139 \f
2140 ;; Keeping Dired buffers in sync with the filesystem and with each other
2142 (defun dired-buffers-for-dir (dir &optional file)
2143 ;; Return a list of buffers that dired DIR (top level or in-situ subdir).
2144 ;; If FILE is non-nil, include only those whose wildcard pattern (if any)
2145 ;; matches FILE.
2146 ;; The list is in reverse order of buffer creation, most recent last.
2147 ;; As a side effect, killed dired buffers for DIR are removed from
2148 ;; dired-buffers.
2149 (setq dir (file-name-as-directory dir))
2150 (let ((alist dired-buffers) result elt buf)
2151 (while alist
2152 (setq elt (car alist)
2153 buf (cdr elt))
2154 (if (buffer-name buf)
2155 (if (dired-in-this-tree dir (car elt))
2156 (with-current-buffer buf
2157 (and (assoc dir dired-subdir-alist)
2158 (or (null file)
2159 (let ((wildcards
2160 (file-name-nondirectory dired-directory)))
2161 (or (= 0 (length wildcards))
2162 (string-match (dired-glob-regexp wildcards)
2163 file))))
2164 (setq result (cons buf result)))))
2165 ;; else buffer is killed - clean up:
2166 (setq dired-buffers (delq elt dired-buffers)))
2167 (setq alist (cdr alist)))
2168 result))
2170 (defun dired-glob-regexp (pattern)
2171 "Convert glob-pattern PATTERN to a regular expression."
2172 (let ((matched-in-pattern 0) ;; How many chars of PATTERN we've handled.
2173 regexp)
2174 (while (string-match "[[?*]" pattern matched-in-pattern)
2175 (let ((op-end (match-end 0))
2176 (next-op (aref pattern (match-beginning 0))))
2177 (setq regexp (concat regexp
2178 (regexp-quote
2179 (substring pattern matched-in-pattern
2180 (match-beginning 0)))))
2181 (cond ((= next-op ??)
2182 (setq regexp (concat regexp "."))
2183 (setq matched-in-pattern op-end))
2184 ((= next-op ?\[)
2185 ;; Fails to handle ^ yet ????
2186 (let* ((set-start (match-beginning 0))
2187 (set-cont
2188 (if (= (aref pattern (1+ set-start)) ?^)
2189 (+ 3 set-start)
2190 (+ 2 set-start)))
2191 (set-end (string-match "]" pattern set-cont))
2192 (set (substring pattern set-start (1+ set-end))))
2193 (setq regexp (concat regexp set))
2194 (setq matched-in-pattern (1+ set-end))))
2195 ((= next-op ?*)
2196 (setq regexp (concat regexp ".*"))
2197 (setq matched-in-pattern op-end)))))
2199 regexp
2200 (regexp-quote
2201 (substring pattern matched-in-pattern))
2206 (defun dired-advertise ()
2207 ;;"Advertise in variable `dired-buffers' that we dired `default-directory'."
2208 ;; With wildcards we actually advertise too much.
2209 (let ((expanded-default (expand-file-name default-directory)))
2210 (if (memq (current-buffer) (dired-buffers-for-dir expanded-default))
2211 t ; we have already advertised ourselves
2212 (setq dired-buffers
2213 (cons (cons expanded-default (current-buffer))
2214 dired-buffers)))))
2216 (defun dired-unadvertise (dir)
2217 ;; Remove DIR from the buffer alist in variable dired-buffers.
2218 ;; This has the effect of removing any buffer whose main directory is DIR.
2219 ;; It does not affect buffers in which DIR is a subdir.
2220 ;; Removing is also done as a side-effect in dired-buffer-for-dir.
2221 (setq dired-buffers
2222 (delq (assoc (expand-file-name dir) dired-buffers) dired-buffers)))
2223 \f
2224 ;; Tree Dired
2226 ;;; utility functions
2228 (defun dired-in-this-tree (file dir)
2229 ;;"Is FILE part of the directory tree starting at DIR?"
2230 (let (case-fold-search)
2231 (string-match (concat "^" (regexp-quote dir)) file)))
2233 (defun dired-normalize-subdir (dir)
2234 ;; Prepend default-directory to DIR if relative file name.
2235 ;; dired-get-filename must be able to make a valid file name from a
2236 ;; file and its directory DIR.
2237 (file-name-as-directory
2238 (if (file-name-absolute-p dir)
2239 dir
2240 (expand-file-name dir default-directory))))
2242 (defun dired-get-subdir ()
2243 ;;"Return the subdir name on this line, or nil if not on a headerline."
2244 ;; Look up in the alist whether this is a headerline.
2245 (save-excursion
2246 (let ((cur-dir (dired-current-directory)))
2247 (beginning-of-line) ; alist stores b-o-l positions
2248 (and (zerop (- (point)
2249 (dired-get-subdir-min (assoc cur-dir
2250 dired-subdir-alist))))
2251 cur-dir))))
2253 ;(defun dired-get-subdir-min (elt)
2254 ; (cdr elt))
2255 ;; can't use macro, must be redefinable for other alist format in dired-nstd.
2256 (defalias 'dired-get-subdir-min 'cdr)
2258 (defun dired-get-subdir-max (elt)
2259 (save-excursion
2260 (goto-char (dired-get-subdir-min elt))
2261 (dired-subdir-max)))
2263 (defun dired-clear-alist ()
2264 (while dired-subdir-alist
2265 (set-marker (dired-get-subdir-min (car dired-subdir-alist)) nil)
2266 (setq dired-subdir-alist (cdr dired-subdir-alist))))
2268 (defun dired-subdir-index (dir)
2269 ;; Return an index into alist for use with nth
2270 ;; for the sake of subdir moving commands.
2271 (let (found (index 0) (alist dired-subdir-alist))
2272 (while alist
2273 (if (string= dir (car (car alist)))
2274 (setq alist nil found t)
2275 (setq alist (cdr alist) index (1+ index))))
2276 (if found index nil)))
2278 (defun dired-next-subdir (arg &optional no-error-if-not-found no-skip)
2279 "Go to next subdirectory, regardless of level."
2280 ;; Use 0 arg to go to this directory's header line.
2281 ;; NO-SKIP prevents moving to end of header line, returning whatever
2282 ;; position was found in dired-subdir-alist.
2283 (interactive "p")
2284 (let ((this-dir (dired-current-directory))
2285 pos index)
2286 ;; nth with negative arg does not return nil but the first element
2287 (setq index (- (dired-subdir-index this-dir) arg))
2288 (setq pos (if (>= index 0)
2289 (dired-get-subdir-min (nth index dired-subdir-alist))))
2290 (if pos
2291 (progn
2292 (goto-char pos)
2294 (point))
2295 (if no-error-if-not-found
2296 nil ; return nil if not found
2297 (error "%s directory" (if (> arg 0) "Last" "First"))))))
2299 (defun dired-build-subdir-alist (&optional switches)
2300 "Build `dired-subdir-alist' by parsing the buffer.
2301 Returns the new value of the alist.
2302 If optional arg SWITCHES is non-nil, use its value
2303 instead of `dired-actual-switches'."
2304 (interactive)
2305 (dired-clear-alist)
2306 (save-excursion
2307 (let* ((count 0)
2308 (inhibit-read-only t)
2309 (buffer-undo-list t)
2310 (switches (or switches dired-actual-switches))
2311 new-dir-name
2312 (R-ftp-base-dir-regex
2313 ;; Used to expand subdirectory names correctly in recursive
2314 ;; ange-ftp listings.
2315 (and (string-match "R" switches)
2318 (goto-char (point-min))
2319 (setq dired-subdir-alist nil)
2320 (while (re-search-forward dired-subdir-regexp nil t)
2321 ;; Avoid taking a file name ending in a colon
2322 ;; as a subdir name.
2323 (unless (save-excursion
2324 (goto-char (match-beginning 0))
2325 (beginning-of-line)
2326 (forward-char 2)
2327 (save-match-data (looking-at dired-re-perms)))
2328 (save-excursion
2329 (goto-char (match-beginning 1))
2330 (setq new-dir-name
2331 (buffer-substring-no-properties (point) (match-end 1))
2332 new-dir-name
2333 (save-match-data
2334 (if (and R-ftp-base-dir-regex
2335 (not (string= new-dir-name default-directory))
2336 (string-match R-ftp-base-dir-regex new-dir-name))
2337 (concat default-directory
2338 (substring new-dir-name (match-end 0)))
2339 (expand-file-name new-dir-name))))
2340 (delete-region (point) (match-end 1))
2341 (insert new-dir-name))
2342 (setq count (1+ count))
2343 (dired-alist-add-1 new-dir-name
2344 ;; Place a sub directory boundary between lines.
2345 (save-excursion
2346 (goto-char (match-beginning 0))
2347 (beginning-of-line)
2348 (point-marker)))))
2349 (if (and (> count 1) (interactive-p))
2350 (message "Buffer includes %d directories" count)))
2351 ;; We don't need to sort it because it is in buffer order per
2352 ;; constructionem. Return new alist:
2353 dired-subdir-alist))
2355 (defun dired-alist-add-1 (dir new-marker)
2356 ;; Add new DIR at NEW-MARKER. Don't sort.
2357 (setq dired-subdir-alist
2358 (cons (cons (dired-normalize-subdir dir) new-marker)
2359 dired-subdir-alist)))
2361 (defun dired-goto-next-nontrivial-file ()
2362 ;; Position point on first nontrivial file after point.
2363 (dired-goto-next-file);; so there is a file to compare with
2364 (if (stringp dired-trivial-filenames)
2365 (while (and (not (eobp))
2366 (string-match dired-trivial-filenames
2367 (file-name-nondirectory
2368 (or (dired-get-filename nil t) ""))))
2369 (forward-line 1)
2370 (dired-move-to-filename))))
2372 (defun dired-goto-next-file ()
2373 (let ((max (1- (dired-subdir-max))))
2374 (while (and (not (dired-move-to-filename)) (< (point) max))
2375 (forward-line 1))))
2377 (defun dired-goto-file (file)
2378 "Go to line describing file FILE in this dired buffer."
2379 ;; Return value of point on success, else nil.
2380 ;; FILE must be an absolute file name.
2383 ;; it in the buffer.
2384 (interactive
2385 (prog1 ; let push-mark display its message
2386 (list (expand-file-name
2387 (read-file-name "Goto file: "
2388 (dired-current-directory))))
2389 (push-mark)))
2390 (setq file (directory-file-name file)) ; does no harm if no directory
2391 (let (found case-fold-search dir)
2392 (setq dir (or (file-name-directory file)
2393 (error "File name `%s' is not absolute" file)))
2394 (save-excursion
2395 ;; The hair here is to get the result of dired-goto-subdir
2396 ;; without really calling it if we don't have any subdirs.
2397 (if (if (string= dir (expand-file-name default-directory))
2398 (goto-char (point-min))
2399 (and (cdr dired-subdir-alist)
2400 (dired-goto-subdir dir)))
2401 (let ((base (file-name-nondirectory file))
2402 search-string
2403 (boundary (dired-subdir-max)))
2404 (setq search-string
2406 (setq search-string
2408 (while (and (not found)
2409 ;; filenames are preceded by SPC, this makes
2410 ;; the search faster (e.g. for the filename "-"!).
2411 (search-forward (concat " " search-string)
2412 boundary 'move))
2413 ;; Match could have BASE just as initial substring or
2414 ;; or in permission bits or date or
2415 ;; not be a proper filename at all:
2416 (if (equal base (dired-get-filename 'no-dir t))
2417 ;; Must move to filename since an (actually
2418 ;; correct) match could have been elsewhere on the
2419 ;; ;; line (e.g. "-" would match somewhere in the
2420 ;; permission bits).
2421 (setq found (dired-move-to-filename))
2422 ;; If this isn't the right line, move forward to avoid
2423 ;; trying this line again.
2424 (forward-line 1))))))
2425 (and found
2426 ;; return value of point (i.e., FOUND):
2427 (goto-char found))))
2429 (defun dired-initial-position (dirname)
2430 ;; Where point should go in a new listing of DIRNAME.
2431 ;; Point assumed at beginning of new subdir line.
2432 ;; You may redefine this function as you wish, e.g. like in dired-x.el.
2433 (end-of-line)
2434 (if dired-trivial-filenames (dired-goto-next-nontrivial-file)))
2435 \f
2436 ;; These are hooks which make tree dired work.
2437 ;; They are in this file because other parts of dired need to call them.
2438 ;; But they don't call the rest of tree dired unless there are subdirs loaded.
2440 ;; This function is called for each retrieved filename.
2441 ;; It could stand to be faster, though it's mostly function call
2442 ;; overhead. Avoiding the function call seems to save about 10% in
2443 ;; dired-get-filename. Make it a defsubst?
2444 (defun dired-current-directory (&optional localp)
2445 "Return the name of the subdirectory to which this line belongs.
2446 This returns a string with trailing slash, like `default-directory'.
2447 Optional argument means return a file name relative to `default-directory'."
2448 (let ((here (point))
2449 (alist (or dired-subdir-alist
2450 ;; probably because called in a non-dired buffer
2451 (error "No subdir-alist in %s" (current-buffer))))
2452 elt dir)
2453 (while alist
2454 (setq elt (car alist)
2455 dir (car elt)
2456 ;; use `<=' (not `<') as subdir line is part of subdir
2457 alist (if (<= (dired-get-subdir-min elt) here)
2458 nil ; found
2459 (cdr alist))))
2460 (if localp
2461 (dired-make-relative dir default-directory)
2462 dir)))
2464 ;; Subdirs start at the beginning of their header lines and end just
2465 ;; before the beginning of the next header line (or end of buffer).
2467 (defun dired-subdir-max ()
2468 (save-excursion
2469 (if (or (null (cdr dired-subdir-alist)) (not (dired-next-subdir 1 t t)))
2470 (point-max)
2471 (point))))
2472 \f
2473 ;; Deleting files
2475 (defcustom dired-recursive-deletes 'top
2476 "*Decide whether recursive deletes are allowed.
2477 A value of nil means no recursive deletes.
2478 `always' means delete recursively without asking. This is DANGEROUS!
2479 `top' means ask for each directory at top level, but delete its subdirectories
2480 without asking.
2481 Anything else means ask for each directory."
2482 :type '(choice :tag "Delete non-empty directories"
2483 (const :tag "Yes" always)
2484 (const :tag "No--only delete empty directories" nil)
2485 (const :tag "Confirm for each directory" t)
2486 (const :tag "Confirm for each top directory only" top))
2487 :group 'dired)
2489 ;; Match anything but `.' and `..'.
2492 ;; Delete file, possibly delete a directory and all its files.
2493 ;; This function is usefull outside of dired. One could change it's name
2494 ;; to e.g. recursive-delete-file and put it somewhere else.
2495 (defun dired-delete-file (file &optional recursive) "\
2496 Delete FILE or directory (possibly recursively if optional RECURSIVE is true.)
2497 RECURSIVE determines what to do with a non-empty directory. If RECURSIVE is:
2498 nil, do not delete.
2499 `always', delete recursively without asking.
2500 `top', ask for each directory at top level.
2501 Anything else, ask for each sub-directory."
2502 (let (files)
2503 ;; This test is equivalent to
2504 ;; (and (file-directory-p fn) (not (file-symlink-p fn)))
2505 ;; but more efficient
2506 (if (not (eq t (car (file-attributes file))))
2507 (delete-file file)
2508 (when (and recursive
2509 (setq files
2510 (directory-files file t dired-re-no-dot)) ; Not empty.
2511 (or (eq recursive 'always)
2512 (yes-or-no-p (format "Recursive delete of %s? "
2513 (dired-make-relative file)))))
2514 (if (eq recursive 'top) (setq recursive 'always)) ; Don't ask again.
2515 (while files ; Recursively delete (possibly asking).
2516 (dired-delete-file (car files) recursive)
2517 (setq files (cdr files))))
2518 (delete-directory file))))
2520 (defun dired-do-flagged-delete (&optional nomessage)
2521 "In Dired, delete the files flagged for deletion.
2522 If NOMESSAGE is non-nil, we don't display any message
2523 if there are no flagged files.
2524 `dired-recursive-deletes' controls whether deletion of
2525 non-empty directories is allowed."
2526 (interactive)
2527 (let* ((dired-marker-char dired-del-marker)
2528 (regexp (dired-marker-regexp))
2529 case-fold-search)
2530 (if (save-excursion (goto-char (point-min))
2531 (re-search-forward regexp nil t))
2532 (dired-internal-do-deletions
2533 ;; this can't move point since ARG is nil
2534 (dired-map-over-marks (cons (dired-get-filename) (point))
2535 nil)
2536 nil)
2537 (or nomessage
2538 (message "(No deletions requested)")))))
2540 (defun dired-do-delete (&optional arg)
2541 "Delete all marked (or next ARG) files.
2542 `dired-recursive-deletes' controls whether deletion of
2543 non-empty directories is allowed."
2544 ;; This is more consistent with the file marking feature than
2545 ;; dired-do-flagged-delete.
2546 (interactive "P")
2547 (dired-internal-do-deletions
2548 ;; this may move point if ARG is an integer
2549 (dired-map-over-marks (cons (dired-get-filename) (point))
2550 arg)
2551 arg))
2553 (defvar dired-deletion-confirmer 'yes-or-no-p) ; or y-or-n-p?
2555 (defun dired-internal-do-deletions (l arg)
2556 ;; L is an alist of files to delete, with their buffer positions.
2557 ;; ARG is the prefix arg.
2558 ;; Filenames are absolute.
2559 ;; (car L) *must* be the *last* (bottommost) file in the dired buffer.
2560 ;; That way as changes are made in the buffer they do not shift the
2561 ;; lines still to be changed, so the (point) values in L stay valid.
2562 ;; Also, for subdirs in natural order, a subdir's files are deleted
2563 ;; before the subdir itself - the other way around would not work.
2564 (let ((files (mapcar (function car) l))
2565 (count (length l))
2566 (succ 0))
2567 ;; canonicalize file list for pop up
2568 (setq files (nreverse (mapcar (function dired-make-relative) files)))
2569 (if (dired-mark-pop-up
2570 " *Deletions*" 'delete files dired-deletion-confirmer
2571 (format "Delete %s " (dired-mark-prompt arg files)))
2572 (save-excursion
2573 (let (failures);; files better be in reverse order for this loop!
2574 (while l
2575 (goto-char (cdr (car l)))
2576 (let ((inhibit-read-only t))
2577 (condition-case err
2578 (let ((fn (car (car l))))
2579 (dired-delete-file fn dired-recursive-deletes)
2580 ;; if we get here, removing worked
2581 (setq succ (1+ succ))
2582 (message "%s of %s deletions" succ count)
2583 (dired-fun-in-all-buffers
2584 (file-name-directory fn) (file-name-nondirectory fn)
2585 (function dired-delete-entry) fn))
2586 (error;; catch errors from failed deletions
2588 (setq failures (cons (car (car l)) failures)))))
2589 (setq l (cdr l)))
2590 (if (not failures)
2591 (message "%d deletion%s done" count (dired-plural-s count))
2592 (dired-log-summary
2593 (format "%d of %d deletion%s failed"
2594 (length failures) count
2595 (dired-plural-s count))
2596 failures))))
2597 (message "(No deletions performed)")))
2598 (dired-move-to-filename))
2600 (defun dired-fun-in-all-buffers (directory file fun &rest args)
2601 ;; In all buffers dired'ing DIRECTORY, run FUN with ARGS.
2602 ;; If the buffer has a wildcard pattern, check that it matches FILE.
2603 ;; (FILE does not include a directory component.)
2604 ;; FILE may be nil, in which case ignore it.
2605 ;; Return list of buffers where FUN succeeded (i.e., returned non-nil).
2606 (let (success-list)
2607 (dolist (buf (dired-buffers-for-dir (expand-file-name directory)
2608 file))
2609 (with-current-buffer buf
2610 (if (apply fun args)
2611 (setq success-list (cons (buffer-name buf) success-list)))))
2612 success-list))
2614 ;; Delete the entry for FILE from
2615 (defun dired-delete-entry (file)
2616 (save-excursion
2617 (and (dired-goto-file file)
2618 (let ((inhibit-read-only t))
2619 (delete-region (progn (beginning-of-line) (point))
2620 (save-excursion (forward-line 1) (point))))))
2621 (dired-clean-up-after-deletion file))
2623 ;; This is a separate function for the sake of dired-x.el.
2624 (defun dired-clean-up-after-deletion (fn)
2625 ;; Clean up after a deleted file or directory FN.
2626 (save-excursion (and (cdr dired-subdir-alist)
2627 (dired-goto-subdir fn)
2628 (dired-kill-subdir))))
2629 \f
2630 ;; Confirmation
2632 (defun dired-marker-regexp ()
2633 (concat "^" (regexp-quote (char-to-string dired-marker-char))))
2635 (defun dired-plural-s (count)
2636 (if (= 1 count) "" "s"))
2638 (defun dired-mark-prompt (arg files)
2639 "Return a string for use in a prompt, either the current file
2640 name, or the marker and a count of marked files."
2641 ;; distinguish-one-marked can cause the first element to be just t.
2642 (if (eq (car files) t) (setq files (cdr files)))
2643 (let ((count (length files)))
2644 (if (= count 1)
2645 (car files)
2646 ;; more than 1 file:
2647 (if (integerp arg)
2648 ;; abs(arg) = count
2649 ;; Perhaps this is nicer, but it also takes more screen space:
2650 ;;(format "[%s %d files]" (if (> arg 0) "next" "previous")
2651 ;; count)
2652 (format "[next %d files]" arg)
2653 (format "%c [%d files]" dired-marker-char count)))))
2655 (defun dired-pop-to-buffer (buf)
2656 ;; Pop up buffer BUF.
2657 ;; If dired-shrink-to-fit is t, make its window fit its contents.
2658 (if (not dired-shrink-to-fit)
2659 (pop-to-buffer (get-buffer-create buf))
2660 ;; let window shrink to fit:
2661 (let ((window (selected-window))
2662 target-lines w2)
2663 (cond ;; if split-height-threshold is enabled, use the largest window
2664 ((and (> (window-height (setq w2 (get-largest-window)))
2665 split-height-threshold)
2666 (window-full-width-p w2))
2667 (setq window w2))
2668 ;; if the least-recently-used window is big enough, use it
2669 ((and (> (window-height (setq w2 (get-lru-window)))
2670 (* 2 window-min-height))
2671 (window-full-width-p w2))
2672 (setq window w2)))
2673 (save-excursion
2674 (set-buffer buf)
2675 (goto-char (point-max))
2677 (setq target-lines (count-lines (point-min) (point)))
2678 ;; Don't forget to count the last line.
2679 (if (not (bolp))
2680 (setq target-lines (1+ target-lines))))
2681 (if (<= (window-height window) (* 2 window-min-height))
2682 ;; At this point, every window on the frame is too small to split.
2683 (setq w2 (display-buffer buf))
2684 (setq w2 (split-window window
2685 (max window-min-height
2686 (- (window-height window)
2687 (1+ (max window-min-height target-lines)))))))
2688 (set-window-buffer w2 buf)
2689 (if (< (1- (window-height w2)) target-lines)
2690 (progn
2691 (select-window w2)
2692 (enlarge-window (- target-lines (1- (window-height w2))))))
2693 (set-window-start w2 1)
2694 )))
2696 (defcustom dired-no-confirm nil
2697 "A list of symbols for commands Dired should not confirm.
2698 Command symbols are `byte-compile', `chgrp', `chmod', `chown', `compress',
2699 `copy', `delete', `hardlink', `load', `move', `print', `shell', `symlink',
2700 `touch' and `uncompress'."
2701 :group 'dired
2702 :type '(set (const byte-compile) (const chgrp)
2703 (const chmod) (const chown) (const compress)
2704 (const copy) (const delete) (const hardlink)
2705 (const load) (const move) (const print)
2706 (const shell) (const symlink) (const touch)
2707 (const uncompress)))
2709 (defun dired-mark-pop-up (bufname op-symbol files function &rest args)
2710 "Return FUNCTION's result on ARGS after showing which files are marked.
2711 Displays the file names in a buffer named BUFNAME;
2713 This uses function `dired-pop-to-buffer' to do that.
2715 FUNCTION should not manipulate files, just read input
2716 (an argument or confirmation).
2717 The window is not shown if there is just one file or
2718 OP-SYMBOL is a member of the list in `dired-no-confirm'.
2719 FILES is the list of marked files. It can also be (t FILENAME)
2720 in the case of one marked file, to distinguish that from using
2721 just the current file."
2722 (or bufname (setq bufname " *Marked Files*"))
2723 (if (or (eq dired-no-confirm t)
2724 (memq op-symbol dired-no-confirm)
2725 ;; If FILES defaulted to the current line's file.
2726 (= (length files) 1))
2727 (apply function args)
2728 (with-current-buffer (get-buffer-create bufname)
2729 (erase-buffer)
2730 ;; Handle (t FILE) just like (FILE), here.
2731 ;; That value is used (only in some cases), to mean
2732 ;; just one file that was marked, rather than the current line file.
2733 (dired-format-columns-of-files (if (eq (car files) t) (cdr files) files))
2734 (remove-text-properties (point-min) (point-max)
2735 '(mouse-face nil help-echo nil)))
2736 (save-window-excursion
2737 (dired-pop-to-buffer bufname)
2738 (apply function args))))
2740 (defun dired-format-columns-of-files (files)
2741 (let ((beg (point)))
2742 (completion--insert-strings files)
2743 (put-text-property beg (point) 'mouse-face nil)))
2744 \f
2745 ;; Commands to mark or flag file(s) at or near current line.
2747 (defun dired-repeat-over-lines (arg function)
2748 ;; This version skips non-file lines.
2749 (let ((pos (make-marker)))
2750 (beginning-of-line)
2751 (while (and (> arg 0) (not (eobp)))
2752 (setq arg (1- arg))
2753 (beginning-of-line)
2754 (while (and (not (eobp)) (dired-between-files)) (forward-line 1))
2755 (save-excursion
2756 (forward-line 1)
2757 (move-marker pos (1+ (point))))
2758 (save-excursion (funcall function))
2759 ;; Advance to the next line--actually, to the line that *was* next.
2760 ;; (If FUNCTION inserted some new lines in between, skip them.)
2761 (goto-char pos))
2762 (while (and (< arg 0) (not (bobp)))
2763 (setq arg (1+ arg))
2764 (forward-line -1)
2765 (while (and (not (bobp)) (dired-between-files)) (forward-line -1))
2766 (beginning-of-line)
2767 (save-excursion (funcall function)))
2768 (move-marker pos nil)
2769 (dired-move-to-filename)))
2771 (defun dired-between-files ()
2772 ;; This used to be a regexp match of the `total ...' line output by
2773 ;; ls, which is slightly faster, but that is not very robust; notably,
2774 ;; it fails for non-english locales.
2775 (save-excursion (not (dired-move-to-filename))))
2777 (defun dired-next-marked-file (arg &optional wrap opoint)
2778 "Move to the next marked file, wrapping around the end of the buffer."
2780 (or opoint (setq opoint (point)));; return to where interactively started
2781 (if (if (> arg 0)
2782 (re-search-forward dired-re-mark nil t arg)
2783 (beginning-of-line)
2784 (re-search-backward dired-re-mark nil t (- arg)))
2785 (dired-move-to-filename)
2786 (if (null wrap)
2787 (progn
2788 (goto-char opoint)
2789 (error "No next marked file"))
2790 (message "(Wraparound for next marked file)")
2791 (goto-char (if (> arg 0) (point-min) (point-max)))
2792 (dired-next-marked-file arg nil opoint))))
2794 (defun dired-prev-marked-file (arg &optional wrap)
2795 "Move to the previous marked file, wrapping around the end of the buffer."
2797 (dired-next-marked-file (- arg) wrap))
2799 (defun dired-file-marker (file)
2800 ;; Return FILE's marker, or nil if unmarked.
2801 (save-excursion
2802 (and (dired-goto-file file)
2803 (progn
2804 (beginning-of-line)
2806 (following-char))))))
2808 (defun dired-mark-files-in-region (start end)
2809 (let ((inhibit-read-only t))
2810 (if (> start end)
2811 (error "start > end"))
2812 (goto-char start) ; assumed at beginning of line
2813 (while (< (point) end)
2814 ;; Skip subdir line and following garbage like the `total' line:
2815 (while (and (< (point) end) (dired-between-files))
2816 (forward-line 1))
2817 (if (and (not (looking-at dired-re-dot))
2818 (dired-get-filename nil t))
2819 (progn
2820 (delete-char 1)
2821 (insert dired-marker-char)))
2822 (forward-line 1))))
2824 (defun dired-mark (arg)
2825 "Mark the current (or next ARG) files.
2826 If on a subdir headerline, mark all its files except `.' and `..'.
2830 this subdir."
2831 (interactive "P")
2832 (if (dired-get-subdir)
2833 (save-excursion (dired-mark-subdir-files))
2834 (let ((inhibit-read-only t))
2835 (dired-repeat-over-lines
2836 (prefix-numeric-value arg)
2837 (function (lambda () (delete-char 1) (insert dired-marker-char)))))))
2839 (defun dired-unmark (arg)
2840 "Unmark the current (or next ARG) files.
2841 If looking at a subdir, unmark all its files except `.' and `..'."
2842 (interactive "P")
2844 (dired-mark arg)))
2846 (defun dired-flag-file-deletion (arg)
2847 "In Dired, flag the current line's file for deletion.
2848 With prefix arg, repeat over several lines.
2850 If on a subdir headerline, mark all its files except `.' and `..'."
2851 (interactive "P")
2852 (let ((dired-marker-char dired-del-marker))
2853 (dired-mark arg)))
2855 (defun dired-unmark-backward (arg)
2856 "In Dired, move up lines and remove deletion flag there.
2857 Optional prefix ARG says how many lines to unflag; default is one line."
2858 (interactive "p")
2859 (dired-unmark (- arg)))
2861 (defun dired-toggle-marks ()
2862 "Toggle marks: marked files become unmarked, and vice versa.
2863 Files marked with other flags (such as `D') are not affected.
2864 `.' and `..' are never toggled.
2865 As always, hidden subdirs are not affected."
2866 (interactive)
2867 (save-excursion
2868 (goto-char (point-min))
2869 (let ((inhibit-read-only t))
2870 (while (not (eobp))
2871 (or (dired-between-files)
2872 (looking-at dired-re-dot)
2873 ;; use subst instead of insdel because it does not move
2874 ;; the gap and thus should be faster and because
2875 ;; other characters are left alone automatically
2876 (apply 'subst-char-in-region
2877 (point) (1+ (point))
2881 (forward-line 1)))))
2882 \f
2883 ;;; Commands to mark or flag files based on their characteristics or names.
2885 (defvar dired-regexp-history nil
2886 "History list of regular expressions used in Dired commands.")
2888 (defun dired-read-regexp (prompt)
2889 (read-from-minibuffer prompt nil nil nil 'dired-regexp-history))
2891 (defun dired-mark-files-regexp (regexp &optional marker-char)
2892 "Mark all files matching REGEXP for use in later commands.
2893 A prefix argument means to unmark them instead.
2894 `.' and `..' are never marked.
2897 object files--just `.o' will mark more than you might think."
2898 (interactive
2899 (list (dired-read-regexp (concat (if current-prefix-arg "Unmark" "Mark")
2900 " files (regexp): "))
2902 (let ((dired-marker-char (or marker-char dired-marker-char)))
2903 (dired-mark-if
2904 (and (not (looking-at dired-re-dot))
2905 (not (eolp)) ; empty line
2906 (let ((fn (dired-get-filename nil t)))
2907 (and fn (string-match regexp (file-name-nondirectory fn)))))
2908 "matching file")))
2910 (defun dired-mark-files-containing-regexp (regexp &optional marker-char)
2911 "Mark all files with contents containing REGEXP for use in later commands.
2912 A prefix argument means to unmark them instead.
2913 `.' and `..' are never marked."
2914 (interactive
2915 (list (dired-read-regexp (concat (if current-prefix-arg "Unmark" "Mark")
2916 " files containing (regexp): "))
2918 (let ((dired-marker-char (or marker-char dired-marker-char)))
2919 (dired-mark-if
2920 (and (not (looking-at dired-re-dot))
2921 (not (eolp)) ; empty line
2922 (let ((fn (dired-get-filename nil t)))
2923 (when (and fn (file-readable-p fn)
2924 (not (file-directory-p fn)))
2925 (let ((prebuf (get-file-buffer fn)))
2926 (message "Checking %s" fn)
2927 ;; For now we do it inside emacs
2928 ;; Grep might be better if there are a lot of files
2929 (if prebuf
2930 (with-current-buffer prebuf
2931 (save-excursion
2932 (goto-char (point-min))
2933 (re-search-forward regexp nil t)))
2934 (with-temp-buffer
2935 (insert-file-contents fn)
2936 (goto-char (point-min))
2937 (re-search-forward regexp nil t))))
2938 )))
2939 "matching file")))
2941 (defun dired-flag-files-regexp (regexp)
2942 "In Dired, flag all files containing the specified REGEXP for deletion.
2943 The match is against the non-directory part of the filename. Use `^'
2944 and `$' to anchor matches. Exclude subdirs by hiding them.
2945 `.' and `..' are never flagged."
2946 (interactive (list (dired-read-regexp "Flag for deletion (regexp): ")))
2947 (dired-mark-files-regexp regexp dired-del-marker))
2949 (defun dired-mark-symlinks (unflag-p)
2950 "Mark all symbolic links.
2951 With prefix argument, unflag all those files."
2952 (interactive "P")
2954 (dired-mark-if (looking-at dired-re-sym) "symbolic link")))
2956 (defun dired-mark-directories (unflag-p)
2957 "Mark all directory file lines except `.' and `..'.
2958 With prefix argument, unflag all those files."
2959 (interactive "P")
2961 (dired-mark-if (and (looking-at dired-re-dir)
2962 (not (looking-at dired-re-dot)))
2963 "directory file")))
2965 (defun dired-mark-executables (unflag-p)
2966 "Mark all executable files.
2967 With prefix argument, unflag all those files."
2968 (interactive "P")
2970 (dired-mark-if (looking-at dired-re-exe) "executable file")))
2972 ;; dired-x.el has a dired-mark-sexp interactive command: mark
2973 ;; files for which PREDICATE returns non-nil.
2975 (defun dired-flag-auto-save-files (&optional unflag-p)
2976 "Flag for deletion files whose names suggest they are auto save files.
2977 A prefix argument says to unflag those files instead."
2978 (interactive "P")
2980 (dired-mark-if
2981 ;; It is less than general to check for # here,
2982 ;; but it's the only way this runs fast enough.
2983 (and (save-excursion (end-of-line)
2984 (or
2985 (eq (preceding-char) ?#)
2986 ;; Handle executables in case of -F option.
2987 ;; We need not worry about the other kinds
2988 ;; of markings that -F makes, since they won't
2989 ;; appear on real auto-save files.
2990 (if (eq (preceding-char) ?*)
2991 (progn
2992 (forward-char -1)
2993 (eq (preceding-char) ?#)))))
2994 (not (looking-at dired-re-dir))
2995 (let ((fn (dired-get-filename t t)))
2996 (if fn (auto-save-file-name-p
2997 (file-name-nondirectory fn)))))
2998 "auto save file")))
3000 (defcustom dired-garbage-files-regexp
3001 ;; `log' here is dubious, since it's typically used for useful log
3002 ;; files, not just TeX stuff. -- fx
3003 (concat (regexp-opt
3004 '(".log" ".toc" ".dvi" ".bak" ".orig" ".rej" ".aux"))
3007 :type 'regexp
3008 :group 'dired)
3010 (defun dired-flag-garbage-files ()
3011 "Flag for deletion all files that match `dired-garbage-files-regexp'."
3012 (interactive)
3013 (dired-flag-files-regexp dired-garbage-files-regexp))
3015 (defun dired-flag-backup-files (&optional unflag-p)
3016 "Flag all backup files (names ending with `~') for deletion.
3017 With prefix argument, unflag these files."
3018 (interactive "P")
3019 (let ((dired-marker-char (if unflag-p ?\s dired-del-marker)))
3020 (dired-mark-if
3021 ;; Don't call backup-file-name-p unless the last character looks like
3022 ;; it might be the end of a backup file name. This isn't very general,
3023 ;; but it's the only way this runs fast enough.
3024 (and (save-excursion (end-of-line)
3025 ;; Handle executables in case of -F option.
3026 ;; We need not worry about the other kinds
3027 ;; of markings that -F makes, since they won't
3028 ;; appear on real backup files.
3029 (if (eq (preceding-char) ?*)
3030 (forward-char -1))
3031 (eq (preceding-char) ?~))
3032 (not (looking-at dired-re-dir))
3033 (let ((fn (dired-get-filename t t)))
3034 (if fn (backup-file-name-p fn))))
3035 "backup file")))
3037 (defun dired-change-marks (&optional old new)
3038 "Change all OLD marks to NEW marks.
3039 OLD and NEW are both characters used to mark files."
3040 (interactive
3041 (let* ((cursor-in-echo-area t)
3042 (old (progn (message "Change (old mark): ") (read-char)))
3043 (new (progn (message "Change %c marks to (new mark): " old)
3044 (read-char))))
3045 (list old new)))
3047 (ding)
3049 (inhibit-read-only t))
3050 (save-excursion
3051 (goto-char (point-min))
3052 (while (search-forward string nil t)
3053 (if (if (= old ?\s)
3054 (save-match-data
3055 (dired-get-filename 'no-dir t))
3056 t)
3057 (subst-char-in-region (match-beginning 0)
3058 (match-end 0) old new)))))))
3060 (defun dired-unmark-all-marks ()
3061 "Remove all marks from all files in the dired buffer."
3062 (interactive)
3065 (defun dired-unmark-all-files (mark &optional arg)
3066 "Remove a specific mark (or any mark) from every file.
3067 After this command, type the mark character to remove,
3068 or type RET to remove all marks.
3069 With prefix arg, query for each marked file.
3072 (save-excursion
3073 (let* ((count 0)
3074 (inhibit-read-only t) case-fold-search query
3076 (help-form "\
3077 Type SPC or `y' to unmark one file, DEL or `n' to skip to next,
3078 `!' to unmark all remaining files with no more questions."))
3079 (goto-char (point-min))
3081 (re-search-forward dired-re-mark nil t)
3082 (search-forward string nil t))
3083 (if (or (not arg)
3084 (let ((file (dired-get-filename t t)))
3085 (and file
3086 (dired-query 'query "Unmark file `%s'? "
3087 file))))
3088 (progn (subst-char-in-region (1- (point)) (point)
3089 (preceding-char) ?\s)
3090 (setq count (1+ count)))))
3091 (message (if (= count 1) "1 mark removed"
3092 "%d marks removed")
3093 count))))
3094 \f
3095 ;; Logging failures operating on files, and showing the results.
3097 (defvar dired-log-buffer "*Dired log*")
3099 (defun dired-why ()
3100 "Pop up a buffer with error log output from Dired.
3101 A group of errors from a single command ends with a formfeed.
3103 (interactive)
3104 (if (get-buffer dired-log-buffer)
3105 (let ((owindow (selected-window))
3106 (window (display-buffer (get-buffer dired-log-buffer))))
3107 (unwind-protect
3108 (progn
3109 (select-window window)
3110 (goto-char (point-max))
3111 (forward-line -1)
3112 (backward-page 1)
3113 (recenter 0))
3114 (select-window owindow)))))
3116 (defun dired-log (log &rest args)
3117 ;; Log a message or the contents of a buffer.
3118 ;; If LOG is a string and there are more args, it is formatted with
3120 ;; End each bunch of errors with (dired-log t):
3121 ;; this inserts the current time and buffer at the start of the page,
3123 (let ((obuf (current-buffer)))
3124 (with-current-buffer (get-buffer-create dired-log-buffer)
3125 (goto-char (point-max))
3126 (let ((inhibit-read-only t))
3127 (cond ((stringp log)
3128 (insert (if args
3129 (apply (function format) log args)
3130 log)))
3131 ((bufferp log)
3132 (insert-buffer-substring log))
3133 ((eq t log)
3134 (backward-page 1)
3135 (unless (bolp)
3137 (insert (current-time-string)
3139 (goto-char (point-max))
3142 (defun dired-log-summary (string failures)
3143 "State a summary of a command's failures, in echo area and log buffer.
3144 STRING is an overall summary of the failures.
3145 FAILURES is a list of file names that we failed to operate on,
3146 or nil if file names are not applicable."
3147 (if (= (length failures) 1)
3148 (message "%s"
3149 (with-current-buffer dired-log-buffer
3150 (goto-char (point-max))
3151 (backward-page 1)
3152 (if (eolp) (forward-line 1))
3153 (buffer-substring (point) (point-max))))
3154 (message (if failures "%s--type ? for details (%s)"
3155 "%s--type ? for details")
3156 string failures))
3157 ;; Log a summary describing a bunch of errors.
3159 (dired-log t))
3160 \f
3161 ;;; Sorting
3163 ;; Most ls can only sort by name or by date (with -t), nothing else.
3164 ;; GNU ls sorts on size with -S, on extension with -X, and unsorted with -U.
3165 ;; So anything that does not contain these is sort "by name".
3167 (defvar dired-ls-sorting-switches "SXU"
3170 This indicates to Dired which option switches to watch out for because they
3171 will change the sorting order behavior of `ls'.
3173 To change the default sorting order \(e.g. add a `-v' option\), see the
3174 variable `dired-listing-switches'. To temporarily override the listing
3177 (defvar dired-sort-by-date-regexp
3178 (concat "^-[^" dired-ls-sorting-switches
3179 "]*t[^" dired-ls-sorting-switches "]*$")
3180 "Regexp recognized by Dired to set `by date' mode.")
3182 (defvar dired-sort-by-name-regexp
3183 (concat "^-[^t" dired-ls-sorting-switches "]+$")
3184 "Regexp recognized by Dired to set `by name' mode.")
3186 (defvar dired-sort-inhibit nil
3187 "Non-nil means the Dired sort command is disabled.
3188 The idea is to set this buffer-locally in special dired buffers.")
3190 (defun dired-sort-set-modeline ()
3191 ;; Set modeline display according to dired-actual-switches.
3192 ;; Modeline display of "by name" or "by date" guarantees the user a
3193 ;; match with the corresponding regexps. Non-matching switches are
3194 ;; shown literally.
3195 (when (eq major-mode 'dired-mode)
3196 (setq mode-name
3197 (let (case-fold-search)
3198 (cond ((string-match
3199 dired-sort-by-name-regexp dired-actual-switches)
3200 "Dired by name")
3201 ((string-match
3202 dired-sort-by-date-regexp dired-actual-switches)
3203 "Dired by date")
3204 (t
3205 (concat "Dired " dired-actual-switches)))))
3206 (force-mode-line-update)))
3208 (defun dired-sort-toggle-or-edit (&optional arg)
3209 "Toggle between sort by date/name and refresh the dired buffer.
3210 With a prefix argument you can edit the current listing switches instead."
3211 (interactive "P")
3212 (when dired-sort-inhibit
3213 (error "Cannot sort this dired buffer"))
3214 (if arg
3215 (dired-sort-other
3216 (read-string "ls switches (must contain -l): " dired-actual-switches))
3217 (dired-sort-toggle)))
3219 (defun dired-sort-toggle ()
3220 ;; Toggle between sort by date/name. Reverts the buffer.
3221 (setq dired-actual-switches
3222 (let (case-fold-search)
3223 (if (string-match " " dired-actual-switches)
3224 ;; New toggle scheme: add/remove a trailing " -t"
3226 (substring dired-actual-switches 0 (match-beginning 0))
3227 (concat dired-actual-switches " -t"))
3228 ;; old toggle scheme: look for some 't' switch and add/remove it
3229 (concat
3230 "-l"
3231 (dired-replace-in-string (concat "[-lt"
3232 dired-ls-sorting-switches "]")
3233 ""
3234 dired-actual-switches)
3235 (if (string-match (concat "[t" dired-ls-sorting-switches "]")
3236 dired-actual-switches)
3237 ""
3238 "t")))))
3239 (dired-sort-set-modeline)
3240 (revert-buffer))
3242 ;; Some user code loads dired especially for this.
3243 ;; Don't do that--use replace-regexp-in-string instead.
3244 (defun dired-replace-in-string (regexp newtext string)
3245 ;; Replace REGEXP with NEWTEXT everywhere in STRING and return result.
3247 (let ((result "") (start 0) mb me)
3248 (while (string-match regexp string start)
3249 (setq mb (match-beginning 0)
3250 me (match-end 0)
3251 result (concat result (substring string start mb) newtext)
3252 start me))
3253 (concat result (substring string start))))
3255 (defun dired-sort-other (switches &optional no-revert)
3256 "Specify new `ls' SWITCHES for current dired buffer.
3257 Values matching `dired-sort-by-date-regexp' or `dired-sort-by-name-regexp'
3258 set the minor mode accordingly, others appear literally in the mode line.
3259 With optional second arg NO-REVERT, don't refresh the listing afterwards."
3260 (dired-sort-R-check switches)
3261 (setq dired-actual-switches switches)
3262 (dired-sort-set-modeline)
3263 (or no-revert (revert-buffer)))
3265 (defvar dired-subdir-alist-pre-R nil
3266 "Value of `dired-subdir-alist' before -R switch added.")
3267 (make-variable-buffer-local 'dired-subdir-alist-pre-R)
3269 (defun dired-sort-R-check (switches)
3270 "Additional processing of -R in ls option string SWITCHES.
3271 Saves `dired-subdir-alist' when R is set and restores saved value
3272 minus any directories explicitly deleted when R is cleared.
3273 To be called first in body of `dired-sort-other', etc."
3274 (cond
3275 ((and (string-match "R" switches)
3276 (not (string-match "R" dired-actual-switches)))
3277 ;; Adding -R to ls switches -- save `dired-subdir-alist':
3278 (setq dired-subdir-alist-pre-R dired-subdir-alist))
3279 ((and (string-match "R" dired-actual-switches)
3280 (not (string-match "R" switches)))
3281 ;; Deleting -R from ls switches -- revert to pre-R subdirs
3282 ;; that are still present:
3283 (setq dired-subdir-alist
3284 (if dired-subdir-alist-pre-R
3285 (let (subdirs)
3286 (while dired-subdir-alist-pre-R
3287 (if (assoc (caar dired-subdir-alist-pre-R)
3288 dired-subdir-alist)
3289 ;; subdir still present...
3290 (setq subdirs
3291 (cons (car dired-subdir-alist-pre-R)
3292 subdirs)))
3293 (setq dired-subdir-alist-pre-R
3294 (cdr dired-subdir-alist-pre-R)))
3295 (reverse subdirs))
3296 ;; No pre-R subdir alist, so revert to main directory
3297 ;; listing:
3298 (list (car (reverse dired-subdir-alist))))))))
3299 \f
3301 ;;;; Drag and drop support
3303 (defcustom dired-recursive-copies 'top
3304 "*Decide whether recursive copies are allowed.
3305 A value of nil means no recursive copies.
3306 `always' means copy recursively without asking.
3307 `top' means ask for each directory at top level.
3308 Anything else means ask for each directory."
3309 :type '(choice :tag "Copy directories"
3310 (const :tag "No recursive copies" nil)
3311 (const :tag "Ask for each directory" t)
3312 (const :tag "Ask for each top directory only" top)
3313 (const :tag "Copy directories without asking" always))
3314 :group 'dired)
3316 (defun dired-dnd-popup-notice ()
3317 (message-box
3320 (declare-function x-popup-menu "xmenu.c" (position menu))
3322 (defun dired-dnd-do-ask-action (uri)
3323 ;; No need to get actions and descriptions from the source,
3324 ;; we only have three actions anyway.
3325 (let ((action (x-popup-menu
3326 t
3327 (list "What action?"
3328 (cons ""
3329 '(("Copy here" . copy)
3330 ("Move here" . move)
3331 ("Link here" . link)
3332 "--"
3333 ("Cancel" . nil)))))))
3334 (if action
3335 (dired-dnd-handle-local-file uri action)
3336 nil)))
3338 (declare-function dired-relist-entry "dired-aux" (file))
3339 (declare-function make-symbolic-link "fileio.c")
3341 ;; Only used when (featurep 'dnd).
3342 (declare-function dnd-get-local-file-name "dnd" (uri &optional must-exist))
3343 (declare-function dnd-get-local-file-uri "dnd" (uri))
3345 (defun dired-dnd-handle-local-file (uri action)
3346 "Copy, move or link a file to the dired directory.
3347 URI is the file to handle, ACTION is one of copy, move, link or ask.
3348 Ask means pop up a menu for the user to select one of copy, move or link."
3349 (require 'dired-aux)
3350 (let* ((from (dnd-get-local-file-name uri t))
3351 (to (when from
3352 (concat (dired-current-directory)
3353 (file-name-nondirectory from)))))
3354 (when from
3355 (cond ((eq action 'ask)
3356 (dired-dnd-do-ask-action uri))
3357 ;; If copying a directory and dired-recursive-copies is
3358 ;; nil, dired-copy-file fails. Pop up a notice.
3359 ((and (memq action '(copy private))
3360 (file-directory-p from)
3361 (not dired-recursive-copies))
3362 (dired-dnd-popup-notice))
3363 ((memq action '(copy private move link))
3364 (let ((overwrite (and (file-exists-p to)
3365 (y-or-n-p
3366 (format "Overwrite existing file `%s'? " to))))
3367 ;; Binding dired-overwrite-confirmed to nil makes
3368 ;; dired-handle-overwrite a no-op. We instead use
3369 ;; y-or-n-p, which pops a graphical menu.
3370 dired-overwrite-confirmed backup-file)
3371 (when (and overwrite
3372 ;; d-b-o is defined in dired-aux.
3373 (boundp 'dired-backup-overwrite)
3374 dired-backup-overwrite
3375 (setq backup-file
3376 (car (find-backup-file-name to)))
3377 (or (eq dired-backup-overwrite 'always)
3378 (y-or-n-p
3379 (format
3380 "Make backup for existing file `%s'? " to))))
3381 (rename-file to backup-file 0)
3382 (dired-relist-entry backup-file))
3383 (cond ((memq action '(copy private))
3384 (dired-copy-file from to overwrite))
3385 ((eq action 'move)
3386 (dired-rename-file from to overwrite))
3387 ((eq action 'link)
3388 (make-symbolic-link from to overwrite)))
3389 (dired-relist-entry to)
3390 action))))))
3392 (defun dired-dnd-handle-file (uri action)
3393 "Copy, move or link a file to the dired directory if it is a local file.
3394 URI is the file to handle. If the hostname in the URI isn't local, do nothing.
3395 ACTION is one of copy, move, link or ask.
3396 Ask means pop up a menu for the user to select one of copy, move or link."
3397 (let ((local-file (dnd-get-local-file-uri uri)))
3398 (if local-file (dired-dnd-handle-local-file local-file action)
3399 nil)))
3400 \f
3402 ;;;; Desktop support
3404 (eval-when-compile (require 'desktop))
3406 (defun dired-desktop-buffer-misc-data (desktop-dirname)
3407 "Auxiliary information to be saved in desktop file."
3408 (cons
3409 ;; Value of `dired-directory'.
3410 (if (consp dired-directory)
3411 ;; Directory name followed by list of files.
3412 (cons (desktop-file-name (car dired-directory) desktop-dirname)
3413 (cdr dired-directory))
3414 ;; Directory name, optionally with shell wildcard.
3415 (desktop-file-name dired-directory desktop-dirname))
3416 ;; Subdirectories in `dired-subdir-alist'.
3417 (cdr
3418 (nreverse
3419 (mapcar
3420 (function (lambda (f) (desktop-file-name (car f) desktop-dirname)))
3421 dired-subdir-alist)))))
3423 (defun dired-restore-desktop-buffer (desktop-buffer-file-name
3424 desktop-buffer-name
3425 desktop-buffer-misc)
3426 "Restore a dired buffer specified in a desktop file."
3427 ;; First element of `desktop-buffer-misc' is the value of `dired-directory'.
3428 ;; This value is a directory name, optionally with shell wildcard or
3429 ;; a directory name followed by list of files.
3430 (let* ((dired-dir (car desktop-buffer-misc))
3431 (dir (if (consp dired-dir) (car dired-dir) dired-dir)))
3432 (if (file-directory-p (file-name-directory dir))
3433 (progn
3434 (dired dired-dir)
3435 ;; The following elements of `desktop-buffer-misc' are the keys
3436 ;; from `dired-subdir-alist'.
3437 (mapc 'dired-maybe-insert-subdir (cdr desktop-buffer-misc))
3438 (current-buffer))
3439 (message "Desktop: Directory %s no longer exists." dir)
3440 (when desktop-missing-file-warning (sit-for 1))
3441 nil)))
3443 (add-to-list 'desktop-buffer-mode-handlers
3444 '(dired-mode . dired-restore-desktop-buffer))
3446 \f
3447 (provide 'dired)
3449 (run-hooks 'dired-load-hook) ; for your customizations
3451 ;; arch-tag: e1af7a8f-691c-41a0-aac1-ddd4d3c87517
3452 ;;; dired.el ends here