1 ;;; dired-x.el --- Extra Dired functionality -*-byte-compile-dynamic: t;-*-
3 ;; Author: Sebastian Kremer <sk@thp.uni-koeln.de>
4 ;; Lawrence R. Dodd <dodd@roebling.poly.edu>
5 ;; Maintainer: FSF (unless Dodd can be found)
7 ;; Date: 1994/08/18 19:27:42
8 ;; Keywords: dired extensions files
10 ;; Copyright (C) 1993, 1994, 1997, 2001 Free Software Foundation, Inc.
12 ;; This file is part of GNU Emacs.
14 ;; GNU Emacs is free software; you can redistribute it and/or modify
15 ;; it under the terms of the GNU General Public License as published by
16 ;; the Free Software Foundation; either version 2, or (at your option)
19 ;; GNU Emacs is distributed in the hope that it will be useful,
20 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
21 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 ;; GNU General Public License for more details.
24 ;; You should have received a copy of the GNU General Public License
25 ;; along with GNU Emacs; see the file COPYING. If not, write to the
26 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
27 ;; Boston, MA 02111-1307, USA.
31 ;; This is Sebastian Kremer's excellent dired-x.el (Dired Extra), version
32 ;; 1.191, hacked up for GNU Emacs. Redundant or conflicting material has
33 ;; been removed or renamed in order to work properly with dired of GNU
34 ;; Emacs. All suggestions or comments are most welcomed.
37 ;; Please, PLEASE, *PLEASE* see the info pages.
40 ;; BUGS: Type M-x dired-x-submit-report and a report will be generated.
42 ;; INSTALLATION: In your ~/.emacs,
44 ;; (add-hook 'dired-load-hook
45 ;; (function (lambda ()
47 ;; ;; Set global variables here. For example:
48 ;; ;; (setq dired-guess-shell-gnutar "gtar")
50 ;; (add-hook 'dired-mode-hook
51 ;; (function (lambda ()
52 ;; ;; Set buffer-local variables here. For example:
53 ;; ;; (setq dired-omit-files-p t)
56 ;; At load time dired-x.el will install itself, redefine some functions, and
57 ;; bind some dired keys. *Please* see the info pages for more details.
59 ;; *Please* see the info pages for more details.
61 ;; User defined variables:
64 ;; dired-vm-read-only-folders
68 ;; dired-x-hands-off-my-keys
70 ;; dired-enable-local-variables
71 ;; dired-local-variables-file
72 ;; dired-guess-shell-gnutar
73 ;; dired-guess-shell-gzip-quiet
74 ;; dired-guess-shell-znew-switches
75 ;; dired-guess-shell-alist-user
76 ;; dired-clean-up-buffers-too
79 ;; dired-omit-extensions
80 ;; dired-omit-size-limit
82 ;; To find out more about these variables, load this file, put your cursor at
83 ;; the end of any of the variable names, and hit C-h v [RET]. *Please* see
84 ;; the info pages for more details.
86 ;; When loaded this code redefines the following functions of GNU Emacs
88 ;; Function Found in this file of GNU Emacs
89 ;; -------- -------------------------------
90 ;; dired-clean-up-after-deletion ../lisp/dired.el
91 ;; dired-find-buffer-nocreate ../lisp/dired.el
92 ;; dired-initial-position ../lisp/dired.el
94 ;; dired-add-entry ../lisp/dired-aux.el
95 ;; dired-read-shell-command ../lisp/dired-aux.el
102 ;; This is a no-op if dired-x is being loaded via `dired-load-hook'. It is
103 ;; here in case the user has autoloaded dired-x via the dired-jump key binding
104 ;; (instead of autoloading to dired as is suggested in the info-pages).
108 ;; We will redefine some functions and also need some macros so we need to
109 ;; load dired stuff of GNU Emacs.
113 ;;; User-defined variables.
115 (defgroup dired-x nil
116 "Extended directory editing (dired-x)."
119 (defgroup dired-keys nil
120 "Dired keys customizations."
124 (defcustom dired-bind-vm nil
125 "*Non-nil means \"V\" runs `dired-vm', otherwise \"V\" runs `dired-rmail'.
126 Also, RMAIL files contain -*- rmail -*- at the top so \"f\",
127 `dired-advertised-find-file', will run rmail."
131 (defcustom dired-bind-jump t
132 "*Non-nil means bind `dired-jump' to C-x C-j, otherwise do not."
136 (defcustom dired-bind-man t
137 "*Non-nil means bind `dired-man' to \"N\" in dired-mode, otherwise do not."
141 (defcustom dired-bind-info t
142 "*Non-nil means bind `dired-info' to \"I\" in dired-mode, otherwise do not."
146 (defcustom dired-vm-read-only-folders nil
147 "*If non-nil, \\[dired-vm] will visit all folders read-only.
148 If neither nil nor t, e.g. the symbol `if-file-read-only', only
149 files not writable by you are visited read-only.
151 Read-only folders only work in VM 5, not in VM 4."
152 :type
'(choice (const :tag
"off" nil
)
154 (other :tag
"non-writable only" if-file-read-only
))
157 (defcustom dired-omit-files-p nil
158 "*If non-nil, \"uninteresting\" files are not listed (buffer-local).
159 Use \\[dired-omit-toggle] to toggle its value.
160 Uninteresting files are those whose filenames match regexp `dired-omit-files',
161 plus those ending with extensions in `dired-omit-extensions'."
164 (make-variable-buffer-local 'dired-omit-files-p
)
166 (defcustom dired-omit-files
"^\\.?#\\|^\\.$\\|^\\.\\.$"
167 "*Filenames matching this regexp will not be displayed.
168 This only has effect when `dired-omit-files-p' is t. See interactive function
169 `dired-omit-toggle' \(\\[dired-omit-toggle]\) and variable
170 `dired-omit-extensions'. The default is to omit `.', `..', auto-save
171 files and lock files."
175 (defcustom dired-find-subdir nil
; t is pretty near to DWIM...
176 "*If non-nil, Dired always finds a directory in a buffer of its own.
177 If nil, Dired finds the directory as a subdirectory in some other buffer
178 if it is present as one.
180 If there are several Dired buffers for a directory, the most recently
183 Dired avoids switching to the current buffer, so that if you have
184 a normal and a wildcard buffer for the same directory, \\[dired] will
185 toggle between those two."
189 (defcustom dired-omit-size-limit
30000
190 "*Maximum size for the \"omitting\" feature.
191 If nil, there is no maximum size."
192 :type
'(choice (const :tag
"no maximum" nil
) integer
)
195 (defcustom dired-enable-local-variables t
196 "*Control use of local-variables lists in dired.
197 The value can be t, nil or something else.
198 A value of t means local-variables lists are obeyed;
199 nil means they are ignored; anything else means query.
201 This temporarily overrides the value of `enable-local-variables' when listing
202 a directory. See also `dired-local-variables-file'."
206 (defcustom dired-guess-shell-gnutar nil
207 "*If non-nil, name of GNU tar executable.
208 \(E.g., \"tar\" or \"gtar\"). The `z' switch will be used with it for
209 compressed or gzip'ed tar files. If you don't have GNU tar, set this
210 to nil: a pipe using `zcat' or `gunzip -c' will be used."
211 :type
'(choice (const :tag
"Not GNU tar" nil
)
212 (string :tag
"Command name"))
215 (defcustom dired-guess-shell-gzip-quiet t
216 "*Non-nil says pass -q to gzip overriding verbose GZIP environment."
220 (defcustom dired-guess-shell-znew-switches nil
221 "*If non-nil, then string of switches passed to `znew', example: \"-K\"."
222 :type
'(choice (const :tag
"None" nil
)
223 (string :tag
"Switches"))
226 (defcustom dired-clean-up-buffers-too t
227 "*Non-nil means offer to kill buffers visiting files and dirs deleted in dired."
233 (define-key dired-mode-map
"\M-o" 'dired-omit-toggle
)
234 (define-key dired-mode-map
"\M-(" 'dired-mark-sexp
)
235 (define-key dired-mode-map
"*(" 'dired-mark-sexp
)
236 (define-key dired-mode-map
"*." 'dired-mark-extension
)
237 (define-key dired-mode-map
"\M-!" 'dired-smart-shell-command
)
238 (define-key dired-mode-map
"w" 'dired-copy-filename-as-kill
)
239 (define-key dired-mode-map
"\M-g" 'dired-goto-file
)
240 (define-key dired-mode-map
"\M-G" 'dired-goto-subdir
)
241 (define-key dired-mode-map
"F" 'dired-do-find-marked-files
)
242 (define-key dired-mode-map
"Y" 'dired-do-relsymlink
)
243 (define-key dired-mode-map
"%Y" 'dired-do-relsymlink-regexp
)
244 (define-key dired-mode-map
"V" 'dired-do-run-mail
)
247 (define-key dired-mode-map
"N" 'dired-man
))
250 (define-key dired-mode-map
"I" 'dired-info
))
255 (define-key global-map
"\C-x\C-j" 'dired-jump
)
256 (define-key global-map
"\C-x4\C-j" 'dired-jump-other-window
)))
259 ;;; Install into appropriate hooks.
261 (add-hook 'dired-mode-hook
'dired-extra-startup
)
262 (add-hook 'dired-after-readin-hook
'dired-omit-expunge
)
264 (defun dired-extra-startup ()
265 "Automatically put on `dired-mode-hook' to get extra dired features:
267 \\[dired-do-run-mail]\t-- run mail on folder (see `dired-bind-vm')
268 \\[dired-info]\t-- run info on file
269 \\[dired-man]\t-- run man on file
270 \\[dired-do-find-marked-files]\t-- visit all marked files simultaneously
271 \\[dired-omit-toggle]\t-- toggle omitting of files
272 \\[dired-mark-sexp]\t-- mark by Lisp expression
273 \\[dired-copy-filename-as-kill]\t-- copy the file or subdir names into the kill ring.
274 \t You can feed it to other commands using \\[yank].
276 For more features, see variables
282 `dired-vm-read-only-folders'
285 `dired-omit-extensions'
286 `dired-omit-size-limit'
288 `dired-enable-local-variables'
289 `dired-local-variables-file'
290 `dired-guess-shell-gnutar'
291 `dired-guess-shell-gzip-quiet'
292 `dired-guess-shell-znew-switches'
293 `dired-guess-shell-alist-user'
294 `dired-clean-up-buffers-too'
298 `dired-flag-extension'
305 `dired-do-find-marked-files'"
308 ;; These must be done in each new dired buffer.
309 (dired-hack-local-variables)
310 (dired-omit-startup))
316 (defun dired-clean-up-after-deletion (fn)
317 "Clean up after a deleted file or directory FN.
318 Remove expanded subdir of deleted dir, if any."
319 (save-excursion (and (cdr dired-subdir-alist
)
320 (dired-goto-subdir fn
)
321 (dired-kill-subdir)))
323 ;; Offer to kill buffer of deleted file FN.
324 (if dired-clean-up-buffers-too
326 (let ((buf (get-file-buffer fn
)))
328 (funcall (function y-or-n-p
)
329 (format "Kill buffer of %s, too? "
330 (file-name-nondirectory fn
)))
331 (save-excursion ; you never know where kill-buffer leaves you
333 (let ((buf-list (dired-buffers-for-dir (expand-file-name fn
)))
336 (y-or-n-p (format "Kill dired buffer%s of %s, too? "
337 (dired-plural-s (length buf-list
))
338 (file-name-nondirectory fn
)))
340 (save-excursion (kill-buffer (car buf-list
)))
341 (setq buf-list
(cdr buf-list
)))))))
346 ;;; EXTENSION MARKING FUNCTIONS.
348 ;;; Mark files with some extension.
349 (defun dired-mark-extension (extension &optional marker-char
)
350 "Mark all files with a certain EXTENSION for use in later commands.
351 A `.' is not automatically prepended to the string entered."
352 ;; EXTENSION may also be a list of extensions instead of a single one.
353 ;; Optional MARKER-CHAR is marker to use.
354 (interactive "sMarking extension: \nP")
355 (or (listp extension
)
356 (setq extension
(list extension
)))
357 (dired-mark-files-regexp
358 (concat ".";; don't match names with nothing but an extension
360 (mapconcat 'regexp-quote extension
"\\|")
364 (defun dired-flag-extension (extension)
365 "In dired, flag all files with a certain EXTENSION for deletion.
366 A `.' is *not* automatically prepended to the string entered."
367 (interactive "sFlagging extension: ")
368 (dired-mark-extension extension dired-del-marker
))
370 ;;; Define some unpopular file extensions. Used for cleaning and omitting.
372 (defvar dired-patch-unclean-extensions
374 "List of extensions of dispensable files created by the `patch' program.")
376 (defvar dired-tex-unclean-extensions
377 '(".toc" ".log" ".aux");; these are already in completion-ignored-extensions
378 "List of extensions of dispensable files created by TeX.")
380 (defvar dired-latex-unclean-extensions
381 '(".idx" ".lof" ".lot" ".glo")
382 "List of extensions of dispensable files created by LaTeX.")
384 (defvar dired-bibtex-unclean-extensions
386 "List of extensions of dispensable files created by BibTeX.")
388 (defvar dired-texinfo-unclean-extensions
389 '(".cp" ".cps" ".fn" ".fns" ".ky" ".kys" ".pg" ".pgs"
390 ".tp" ".tps" ".vr" ".vrs")
391 "List of extensions of dispensable files created by texinfo.")
393 (defun dired-clean-patch ()
394 "Flag dispensable files created by patch for deletion.
395 See variable `dired-patch-unclean-extensions'."
397 (dired-flag-extension dired-patch-unclean-extensions
))
399 (defun dired-clean-tex ()
400 "Flag dispensable files created by [La]TeX etc. for deletion.
401 See variables `dired-texinfo-unclean-extensions',
402 `dired-latex-unclean-extensions', `dired-bibtex-unclean-extensions' and
403 `dired-texinfo-unclean-extensions'."
405 (dired-flag-extension (append dired-texinfo-unclean-extensions
406 dired-latex-unclean-extensions
407 dired-bibtex-unclean-extensions
408 dired-tex-unclean-extensions
)))
410 (defun dired-very-clean-tex ()
411 "Flag dispensable files created by [La]TeX *and* \".dvi\" for deletion.
412 See variables `dired-texinfo-unclean-extensions',
413 `dired-latex-unclean-extensions', `dired-bibtex-unclean-extensions' and
414 `dired-texinfo-unclean-extensions'."
416 (dired-flag-extension (append dired-texinfo-unclean-extensions
417 dired-latex-unclean-extensions
418 dired-bibtex-unclean-extensions
419 dired-tex-unclean-extensions
425 (defun dired-jump (&optional other-window
)
426 "Jump to dired buffer corresponding to current buffer.
427 If in a file, dired the current directory and move to file's line.
428 If in dired already, pop up a level and goto old directory's line.
429 In case the proper dired file line cannot be found, refresh the dired
430 buffer and try again."
432 (let* ((file buffer-file-name
)
433 (dir (if file
(file-name-directory file
) default-directory
)))
434 (if (eq major-mode
'dired-mode
)
436 (setq dir
(dired-current-directory))
437 (dired-up-directory other-window
)
438 (or (dired-goto-file dir
)
439 ;; refresh and try again
441 (dired-insert-subdir (file-name-directory dir
))
442 (dired-goto-file dir
))))
444 (dired-other-window dir
)
447 (or (dired-goto-file file
)
448 ;; refresh and try again
450 (dired-insert-subdir (file-name-directory file
))
451 (dired-goto-file file
))
452 ;; Toggle omitting, if it is on, and try again.
453 (if dired-omit-files-p
456 (dired-goto-file file
))))))))
458 (defun dired-jump-other-window ()
459 "Like \\[dired-jump] (dired-jump) but in other window."
463 ;;; COPY NAMES OF MARKED FILES INTO KILL-RING.
465 (defun dired-copy-filename-as-kill (&optional arg
)
466 "Copy names of marked (or next ARG) files into the kill ring.
467 The names are separated by a space.
468 With a zero prefix arg, use the complete pathname of each marked file.
469 With \\[universal-argument], use the relative pathname of each marked file.
471 If on a subdir headerline, use subdirname instead; prefix arg is ignored
474 You can then feed the file name(s) to other commands with \\[yank]."
477 (or (dired-get-subdir)
478 (mapconcat (function identity
)
480 (cond ((zerop (prefix-numeric-value arg
))
481 (dired-get-marked-files))
483 (dired-get-marked-files 'no-dir arg
))
485 (dired-get-marked-files t
)))
486 (dired-get-marked-files 'no-dir
))
489 (message "%s" string
)))
494 ;;; Enhanced omitting of lines from directory listings.
495 ;;; Marked files are never omitted.
497 ;; should probably get rid of this and always use 'no-dir.
498 ;; sk 28-Aug-1991 09:37
499 (defvar dired-omit-localp
'no-dir
500 "The LOCALP argument `dired-omit-expunge' passes to `dired-get-filename'.
501 If it is 'no-dir, omitting is much faster, but you can only match
502 against the basename of the file. Set it to nil if you need to match the
505 ;; \017=^O for Omit - other packages can chose other control characters.
506 (defvar dired-omit-marker-char ?
\017
507 "Temporary marker used by by dired-omit.
508 Should never be used as marker by the user or other packages.")
510 (defun dired-omit-startup ()
511 (or (assq 'dired-omit-files-p minor-mode-alist
)
512 (setq minor-mode-alist
513 (append '((dired-omit-files-p
514 (:eval
(if (eq major-mode
'dired-mode
)
518 (defun dired-omit-toggle (&optional flag
)
519 "Toggle omitting files matching `dired-omit-files' and `dired-omit-extensions'.
520 With an arg, and if omitting was off, don't toggle and just mark the
521 files but don't actually omit them.
522 With an arg, and if omitting was on, turn it off but don't refresh the buffer."
525 (if dired-omit-files-p
526 (setq dired-omit-files-p
(not dired-omit-files-p
))
527 (dired-mark-unmarked-files (dired-omit-regexp) nil nil
530 (setq dired-omit-files-p
(not dired-omit-files-p
))
531 (if (not dired-omit-files-p
)
533 ;; this will mention how many were omitted:
534 (let ((dired-omit-size-limit nil
))
535 (dired-omit-expunge)))))
537 (defvar dired-omit-extensions
538 (append completion-ignored-extensions
539 dired-latex-unclean-extensions
540 dired-bibtex-unclean-extensions
541 dired-texinfo-unclean-extensions
)
542 "If non-nil, a list of extensions \(strings\) to omit from Dired listings.
543 Defaults to elements of `completion-ignored-extensions',
544 `dired-latex-unclean-extensions', `dired-bibtex-unclean-extensions', and
545 `dired-texinfo-unclean-extensions'.
547 See interactive function `dired-omit-toggle' \(\\[dired-omit-toggle]\) and
548 variables `dired-omit-files-p' and `dired-omit-files'.")
550 (defun dired-omit-expunge (&optional regexp
)
551 "Erases all unmarked files matching REGEXP.
552 Does nothing if global variable `dired-omit-files-p' is nil, or if called
553 non-interactively and buffer is bigger than `dired-omit-size-limit'.
554 If REGEXP is nil or not specified, uses `dired-omit-files', and also omits
555 filenames ending in `dired-omit-extensions'.
556 If REGEXP is the empty string, this function is a no-op.
558 This functions works by temporarily binding `dired-marker-char' to
559 `dired-omit-marker-char' and calling `dired-do-kill-lines'."
560 (interactive "sOmit files (regexp): ")
561 (if (and dired-omit-files-p
563 (not dired-omit-size-limit
)
564 (< (buffer-size) dired-omit-size-limit
)
566 (message "Not omitting: directory larger than %d characters."
567 dired-omit-size-limit
)
568 (setq dired-omit-files-p nil
)
570 (let ((omit-re (or regexp
(dired-omit-regexp)))
571 (old-modified-p (buffer-modified-p))
573 (or (string= omit-re
"")
574 (let ((dired-marker-char dired-omit-marker-char
))
575 (message "Omitting...")
576 (if (dired-mark-unmarked-files omit-re nil nil dired-omit-localp
)
578 (setq count
(dired-do-kill-lines nil
"Omitted %d line%s."))
579 (force-mode-line-update))
580 (message "(Nothing to omit)"))))
581 ;; Try to preserve modified state of buffer. So `%*' doesn't appear
582 ;; in mode-line of omitted buffers.
583 (set-buffer-modified-p (and old-modified-p
585 (goto-char (point-min))
586 (re-search-forward dired-re-mark nil t
))))
589 (defun dired-omit-regexp ()
590 (concat (if dired-omit-files
(concat "\\(" dired-omit-files
"\\)") "")
591 (if (and dired-omit-files dired-omit-extensions
) "\\|" "")
592 (if dired-omit-extensions
593 (concat ".";; a non-extension part should exist
595 (mapconcat 'regexp-quote dired-omit-extensions
"\\|")
599 ;; Returns t if any work was done, nil otherwise.
600 (defun dired-mark-unmarked-files (regexp msg
&optional unflag-p localp
)
601 "Mark unmarked files matching REGEXP, displaying MSG.
602 REGEXP is matched against the complete pathname.
603 Does not re-mark files which already have a mark.
604 With prefix argument, unflag all those files.
605 Second optional argument LOCALP is as in `dired-get-filename'."
607 (let ((dired-marker-char (if unflag-p ?\ dired-marker-char
)))
610 ;; not already marked
613 (let ((fn (dired-get-filename localp t
)))
614 (and fn
(string-match regexp fn
))))
618 (defun dired-omit-new-add-entry (filename &optional marker-char relative
)
619 ;; This redefines dired-aux.el's dired-add-entry to avoid calling ls for
620 ;; files that are going to be omitted anyway.
621 (if dired-omit-files-p
622 ;; perhaps return t without calling ls
623 (let ((omit-re (dired-omit-regexp)))
624 (if (or (string= omit-re
"")
626 (string-match omit-re
628 ((eq 'no-dir dired-omit-localp
)
630 ((eq t dired-omit-localp
)
631 (dired-make-relative filename
))
635 (file-name-directory filename
)))))))
636 ;; if it didn't match, go ahead and add the entry
637 (dired-omit-old-add-entry filename marker-char relative
)
638 ;; dired-add-entry returns t for success, perhaps we should
639 ;; return file-exists-p
641 ;; omitting is not turned on at all
642 (dired-omit-old-add-entry filename marker-char relative
)))
645 ;;; Redefine dired-aux.el's version of `dired-add-entry'
646 ;;; Save old defun if not already done:
647 (or (fboundp 'dired-omit-old-add-entry
)
648 (fset 'dired-omit-old-add-entry
(symbol-function 'dired-add-entry
)))
650 (fset 'dired-add-entry
'dired-omit-new-add-entry
)
653 ;;; VIRTUAL DIRED MODE.
655 ;;; For browsing `ls -lR' listings in a dired-like fashion.
657 (fset 'virtual-dired
'dired-virtual
)
658 (defun dired-virtual (dirname &optional switches
)
659 "Put this buffer into Virtual Dired mode.
661 In Virtual Dired mode, all commands that do not actually consult the
662 filesystem will work.
664 This is useful if you want to peruse and move around in an ls -lR
665 output file, for example one you got from an ftp server. With
666 ange-ftp, you can even dired a directory containing an ls-lR file,
667 visit that file and turn on virtual dired mode. But don't try to save
668 this file, as dired-virtual indents the listing and thus changes the
671 If you have save a Dired buffer in a file you can use \\[dired-virtual] to
672 resume it in a later session.
674 Type \\<dired-mode-map>\\[revert-buffer] in the
675 Virtual Dired buffer and answer `y' to convert the virtual to a real
676 dired buffer again. You don't have to do this, though: you can relist
677 single subdirs using \\[dired-do-redisplay]."
679 ;; DIRNAME is the top level directory of the buffer. It will become
680 ;; its `default-directory'. If nil, the old value of
681 ;; default-directory is used.
683 ;; Optional SWITCHES are the ls switches to use.
685 ;; Shell wildcards will be used if there already is a `wildcard'
686 ;; line in the buffer (thus it is a saved Dired buffer), but there
687 ;; is no other way to get wildcards. Insert a `wildcard' line by
688 ;; hand if you want them.
691 (list (read-string "Virtual Dired directory: " (dired-virtual-guess-dir))))
692 (goto-char (point-min))
694 ;; if not already indented, do it now:
695 (indent-region (point-min) (point-max) 2))
696 (or dirname
(setq dirname default-directory
))
697 (setq dirname
(expand-file-name (file-name-as-directory dirname
)))
698 (setq default-directory dirname
) ; contains no wildcards
699 (let ((wildcard (save-excursion
700 (goto-char (point-min))
702 (and (looking-at "^ wildcard ")
703 (buffer-substring (match-end 0)
704 (progn (end-of-line) (point)))))))
706 (setq dirname
(expand-file-name wildcard default-directory
))))
707 ;; If raw ls listing (not a saved old dired buffer), give it a
708 ;; decent subdir headerline:
709 (goto-char (point-min))
710 (or (looking-at dired-subdir-regexp
)
711 (dired-insert-headerline default-directory
))
712 (dired-mode dirname
(or switches dired-listing-switches
))
713 (setq mode-name
"Virtual Dired"
714 revert-buffer-function
'dired-virtual-revert
)
715 (set (make-local-variable 'dired-subdir-alist
) nil
)
716 (dired-build-subdir-alist)
717 (goto-char (point-min))
718 (dired-initial-position dirname
))
720 (defun dired-virtual-guess-dir ()
721 "Guess and return appropriate working directory of this buffer.
722 The buffer is assumed to be in Dired or ls -lR format. The guess is
723 based upon buffer contents. If nothing could be guessed, returns
726 (let ((regexp "^\\( \\)?\\([^ \n\r]*\\)\\(:\\)[\n\r]")
728 (goto-char (point-min))
729 (cond ((looking-at regexp
)
730 ;; If a saved dired buffer, look to which dir and
731 ;; perhaps wildcard it belongs:
732 (let ((dir (buffer-substring (match-beginning subexpr
)
733 (match-end subexpr
))))
734 (file-name-as-directory dir
)))
735 ;; Else no match for headerline found. It's a raw ls listing.
736 ;; In raw ls listings the directory does not have a headerline
737 ;; try parent of first subdir, if any
738 ((re-search-forward regexp nil t
)
741 (file-name-as-directory
742 (buffer-substring (match-beginning subexpr
)
743 (match-end subexpr
))))))
744 (t ; if all else fails
748 (defun dired-virtual-revert (&optional arg noconfirm
)
750 (y-or-n-p "Cannot revert a Virtual Dired buffer - switch to Real Dired mode? "))
751 (error "Cannot revert a Virtual Dired buffer")
752 (setq mode-name
"Dired"
753 revert-buffer-function
'dired-revert
)
756 ;; A zero-arg version of dired-virtual.
757 ;; You need my modified version of set-auto-mode for the
758 ;; `buffer-contents-mode-alist'.
759 ;; Or you use infer-mode.el and infer-mode-alist, same syntax.
760 (defun dired-virtual-mode ()
761 "Put current buffer into virtual dired mode (see `dired-virtual').
762 Useful on `buffer-contents-mode-alist' (which see) with the regexp
764 \"^ \\(/[^ /]+\\)/?+:$\"
766 to put saved dired buffers automatically into virtual dired mode.
768 Also useful for `auto-mode-alist' (which see) like this:
770 \(setq auto-mode-alist (cons '(\"[^/]\\.dired\\'\" . dired-virtual-mode)
773 (dired-virtual (dired-virtual-guess-dir)))
778 ;;; An Emacs buffer can have but one working directory, stored in the
779 ;;; buffer-local variable `default-directory'. A Dired buffer may have
780 ;;; several subdirectories inserted, but still has but one working directory:
781 ;;; that of the top level Dired directory in that buffer. For some commands
782 ;;; it is appropriate that they use the current Dired directory instead of
783 ;;; `default-directory', e.g., `find-file' and `compile'. This is a general
784 ;;; mechanism is provided for special handling of the working directory in
785 ;;; special major modes.
787 ;; It's easier to add to this alist than redefine function
788 ;; default-directory while keeping the old information.
789 (defconst default-directory-alist
790 '((dired-mode .
(if (fboundp 'dired-current-directory
)
791 (dired-current-directory)
793 "Alist of major modes and their opinion on `default-directory'.
794 This is given as a Lisp expression to evaluate. A resulting value of
795 nil is ignored in favor of `default-directory'.")
797 (defun dired-default-directory ()
798 "Usage like variable `default-directory'.
799 Knows about the special cases in variable `default-directory-alist'."
800 (or (eval (cdr (assq major-mode default-directory-alist
)))
803 (defun dired-smart-shell-command (cmd &optional insert
)
804 "Like function `shell-command', but in the current Tree Dired directory."
805 (interactive (list (read-from-minibuffer "Shell command: "
806 nil nil nil
'shell-command-history
)
808 (let ((default-directory (dired-default-directory)))
809 (shell-command cmd insert
)))
812 ;;; LOCAL VARIABLES FOR DIRED BUFFERS.
814 ;;; Brief Description:
816 ;;; * `dired-extra-startup' is part of the `dired-mode-hook'.
818 ;;; * `dired-extra-startup' calls `dired-hack-local-variables'
820 ;;; * `dired-hack-local-variables' checks the value of
821 ;;; `dired-local-variables-file'
823 ;;; * Check if `dired-local-variables-file' is a non-nil string and is a
824 ;;; filename found in the directory of the Dired Buffer being created.
826 ;;; * If `dired-local-variables-file' satisfies the above, then temporarily
827 ;;; include it in the Dired Buffer at the bottom.
829 ;;; * Set `enable-local-variables' temporarily to the user variable
830 ;;; `dired-enable-local-variables' and run `hack-local-variables' on the
833 (defvar dired-local-variables-file
(convert-standard-filename ".dired")
834 "Filename, as string, containing local dired buffer variables to be hacked.
835 If this file found in current directory, then it will be inserted into dired
836 buffer and `hack-local-variables' will be run. See Emacs Info pages for more
837 information on local variables. See also `dired-enable-local-variables'.")
839 (defun dired-hack-local-variables ()
840 "Evaluate local variables in `dired-local-variables-file' for dired buffer."
841 (if (and dired-local-variables-file
842 (stringp dired-local-variables-file
)
843 (file-exists-p dired-local-variables-file
))
844 (let ((opoint (point-max))
846 ;; In case user has `enable-local-variables' set to nil we
847 ;; override it locally with dired's variable.
848 (enable-local-variables dired-enable-local-variables
))
853 (insert-file-contents dired-local-variables-file
))
855 (let ((buffer-file-name dired-local-variables-file
))
856 (hack-local-variables))
857 ;; Make sure that the modeline shows the proper information.
858 (dired-sort-set-modeline)
859 ;; Delete this stuff: `eobp' is used to find last subdir by dired.el.
860 (delete-region opoint
(point-max)))))
862 (defun dired-omit-here-always ()
863 "Create `dired-local-variables-file' for omitting and reverts directory.
864 Sets dired-omit-file-p to t in a local variables file that is readable by
867 (if (file-exists-p dired-local-variables-file
)
868 (message "File `./%s' already exists." dired-local-variables-file
)
870 ;; Create `dired-local-variables-file'.
872 (set-buffer (get-buffer-create " *dot-dired*"))
874 (insert "Local Variables:\ndired-omit-files-p: t\nEnd:\n")
875 (write-file dired-local-variables-file
)
876 (kill-buffer (current-buffer)))
878 ;; Run extra-hooks and revert directory.
879 (dired-extra-startup)
883 ;;; GUESS SHELL COMMAND.
885 ;;; Brief Description:
887 ;;; `dired-do-shell-command' is bound to `!' by dired.el.
889 ;;; * Redefine `dired-do-shell-command' so it calls
890 ;;; `dired-guess-shell-command'.
892 ;;; * `dired-guess-shell-command' calls `dired-guess-default' with list of
895 ;;; * Parse `dired-guess-shell-alist-user' and
896 ;;; `dired-guess-shell-alist-default' (in that order) for the first REGEXP
897 ;;; that matches the first file in the file list.
899 ;;; * If the REGEXP matches all the entries of the file list then evaluate
900 ;;; COMMAND, which is either a string or a Lisp expression returning a
901 ;;; string. COMMAND may be a list of commands.
903 ;;; * Return this command to `dired-guess-shell-command' which prompts user
904 ;;; with it. The list of commands is temporarily put into the history list.
905 ;;; If a command is used successfully then it is stored permanently in
906 ;;; `dired-shell-command-history'.
908 ;;; Guess what shell command to apply to a file.
909 (defvar dired-shell-command-history nil
910 "History list for commands that read dired-shell commands.")
912 ;;; Default list of shell commands.
914 ;;; NOTE: Use `gunzip -c' instead of `zcat' on `.gz' files. Some do not
915 ;;; install GNU zip's version of zcat.
917 (defvar dired-guess-shell-alist-default
919 (list "\\.tar$" '(if dired-guess-shell-gnutar
920 (concat dired-guess-shell-gnutar
" xvf")
923 ;; REGEXPS for compressed archives must come before the .Z rule to
927 '(if dired-guess-shell-gnutar
928 (concat dired-guess-shell-gnutar
" zxvf")
929 (concat "zcat * | tar xvf -"))
930 ;; Optional conversion to gzip format.
931 '(concat "znew" (if dired-guess-shell-gzip-quiet
" -q")
932 " " dired-guess-shell-znew-switches
))
935 (list "\\.t\\(ar\\.\\)?gz$"
936 '(if dired-guess-shell-gnutar
937 (concat dired-guess-shell-gnutar
" zxvf")
938 (concat "gunzip -qc * | tar xvf -"))
939 ;; Optional decompression.
940 '(concat "gunzip" (if dired-guess-shell-gzip-quiet
" -q" "")))
942 (list "\\.tar\\.bz2$"
943 "bunzip2 -c * | tar xvf -"
944 ;; Optional decompression.
947 '("\\.shar.Z$" "zcat * | unshar")
948 '("\\.shar.g?z$" "gunzip -qc * | unshar")
950 '("\\.e?ps$" "ghostview" "xloadimage" "lpr")
951 (list "\\.e?ps.g?z$" "gunzip -qc * | ghostview -"
952 ;; Optional decompression.
953 '(concat "gunzip" (if dired-guess-shell-gzip-quiet
" -q")))
954 (list "\\.e?ps.Z$" "zcat * | ghostview -"
955 ;; Optional conversion to gzip format.
956 '(concat "znew" (if dired-guess-shell-gzip-quiet
" -q")
957 " " dired-guess-shell-znew-switches
))
958 '("\\.patch$" "cat * | patch")
959 '("\\.patch.g?z$" "gunzip -qc * | patch")
960 (list "\\.patch.Z$" "zcat * | patch"
961 ;; Optional conversion to gzip format.
962 '(concat "znew" (if dired-guess-shell-gzip-quiet
" -q")
963 " " dired-guess-shell-znew-switches
))
965 '("\\.dvi$" "xdvi" "dvips") ; preview and printing
966 '("\\.au$" "play") ; play Sun audiofiles
967 '("\\.mpg$" "mpeg_play")
968 '("\\.uu$" "uudecode") ; for uudecoded files
969 '("\\.hqx$" "mcvert")
970 '("\\.sh$" "sh") ; execute shell scripts
971 '("\\.xbm$" "bitmap") ; view X11 bitmaps
972 '("\\.gp$" "gnuplot")
973 '("\\.p[bgpn]m$" "xloadimage")
974 '("\\.gif$" "xloadimage") ; view gif pictures
975 '("\\.tif$" "xloadimage")
976 '("\\.png$" "display") ; xloadimage 4.1 doesn't grok PNG
977 '("\\.jpg$" "xloadimage")
978 '("\\.fig$" "xfig") ; edit fig pictures
979 '("\\.out$" "xgraph") ; for plotting purposes.
980 '("\\.tex$" "latex" "tex")
981 '("\\.texi\\(nfo\\)?$" "makeinfo" "texi2dvi")
982 '("\\.pdf$" "xpdf") ; edit PDF files
984 ;; Some other popular archivers.
985 '("\\.zoo$" "zoo x//")
987 '("\\.lzh$" "lharc x")
989 '("\\.shar$" "unshar")
992 (list "\\.g?z$" '(concat "gunzip" (if dired-guess-shell-gzip-quiet
" -q")))
993 (list "\\.bz2$" "bunzip2")
994 (list "\\.Z$" "uncompress"
995 ;; Optional conversion to gzip format.
996 '(concat "znew" (if dired-guess-shell-gzip-quiet
" -q")
997 " " dired-guess-shell-znew-switches
))
1000 "Default alist used for shell command guessing.
1001 See `dired-guess-shell-alist-user'.")
1003 (defcustom dired-guess-shell-alist-user nil
1004 "User-defined alist of rules for suggested commands.
1005 These rules take precedence over the predefined rules in the variable
1006 `dired-guess-shell-alist-default' (to which they are prepended).
1008 Each element of this list looks like
1010 \(REGEXP COMMAND...\)
1012 where each COMMAND can either be a string or a lisp expression that evaluates
1013 to a string. If several COMMANDs are given, the first one will be the default
1014 and the rest will be added temporarily to the history and can be retrieved
1015 with \\[previous-history-element] (M-p) .
1017 You can set this variable in your ~/.emacs. For example, to add rules for
1018 `.foo' and `.bar' files, write
1020 \(setq dired-guess-shell-alist-user
1021 (list (list \"\\\\.foo\\\\'\" \"FOO-COMMAND\");; fixed rule
1022 ;; possibly more rules ...
1023 (list \"\\\\.bar\\\'\";; rule with condition test
1026 \"BAR-COMMAND-2\")))\)"
1028 :type
'(alist :key-type regexp
:value-type
(repeat sexp
)))
1030 (defun dired-guess-default (files)
1031 "Guess a shell commands for FILES. Return command or list of commands.
1032 See `dired-guess-shell-alist-user'."
1034 (let* ((case-fold-search nil
) ; case-sensitive matching
1035 ;; Prepend the user's alist to the default alist.
1036 (alist (append dired-guess-shell-alist-user
1037 dired-guess-shell-alist-default
))
1042 ;; Find the first match in the alist for first file in FILES.
1044 (setq elt
(car alist
)
1047 (if (string-match regexp file
)
1048 (setq cmds
(cdr elt
)
1051 ;; If more than one file, see if all of FILES match regular expression.
1053 (string-match regexp
(car flist
)))
1054 (setq flist
(cdr flist
)))
1056 ;; If flist is still non-nil, then do not guess since this means that not
1057 ;; all the files in FILES were matched by the regexp.
1058 (setq cmds
(and (not flist
) cmds
))
1060 ;; Return commands or nil if flist is still non-nil.
1061 ;; Evaluate the commands in order that any logical testing will be done.
1062 (cond ((not (cdr cmds
))
1063 (eval (car cmds
))) ; single command
1065 (mapcar (function eval
) cmds
)))))
1067 (defun dired-guess-shell-command (prompt files
)
1068 "Ask user with PROMPT for a shell command, guessing a default from FILES."
1070 (let ((default (dired-guess-default files
))
1071 default-list old-history val
(failed t
))
1075 (read-from-minibuffer prompt nil nil nil
'dired-shell-command-history
)
1077 ;; Save current history list
1078 (setq old-history dired-shell-command-history
)
1082 ;; More than one guess
1083 (setq default-list default
1084 default
(car default
)
1087 (format "{%d guesses} " (length default-list
))))
1090 (setq default-list
(list default
)))
1092 ;; Push all guesses onto history so that they can be retrieved with M-p
1093 ;; and put the first guess in the prompt but not in the initial value.
1094 (setq dired-shell-command-history
1095 (append default-list dired-shell-command-history
)
1096 prompt
(concat prompt
(format "[%s] " default
)))
1098 ;; The unwind-protect returns VAL, and we too.
1102 (setq val
(read-from-minibuffer prompt nil nil nil
1103 'dired-shell-command-history
)
1105 ;; If we got a return, then use default.
1111 ;; Undo pushing onto the history list so that an aborted
1112 ;; command doesn't get the default in the next command.
1113 (setq dired-shell-command-history old-history
)
1115 (or (equal val
(car-safe dired-shell-command-history
))
1116 (setq dired-shell-command-history
1117 (cons val dired-shell-command-history
))))))))
1121 ;;; Redefine dired-aux.el's version:
1122 (defun dired-read-shell-command (prompt arg files
)
1123 "Read a dired shell command prompting with PROMPT (using read-string).
1124 ARG is the prefix arg and may be used to indicate in the prompt which
1126 This is an extra function so that you can redefine it."
1129 'dired-guess-shell-command
1130 (format prompt
(dired-mark-prompt arg files
)) ; PROMPT
1134 ;;; RELATIVE SYMBOLIC LINKS.
1136 (defvar dired-keep-marker-relsymlink ?S
1137 "See variable `dired-keep-marker-move'.")
1139 (defun dired-make-relative-symlink (file1 file2
&optional ok-if-already-exists
)
1140 "Make a symbolic link (pointing to FILE1) in FILE2.
1141 The link is relative (if possible), for example
1143 \"/vol/tex/bin/foo\" \"/vol/local/bin/foo\"
1147 \"../../tex/bin/foo\" \"/vol/local/bin/foo\""
1148 (interactive "FRelSymLink: \nFRelSymLink %s: \np")
1149 (let (name1 name2 len1 len2
(index 0) sub
)
1150 (setq file1
(expand-file-name file1
)
1151 file2
(expand-file-name file2
)
1153 len2
(length file2
))
1154 ;; Find common initial pathname components:
1156 (while (and (setq next
(string-match "/" file1 index
))
1157 (setq next
(1+ next
))
1158 (< next
(min len1 len2
))
1159 ;; For the comparison, both substrings must end in
1160 ;; `/', so NEXT is *one plus* the result of the
1162 ;; E.g., consider the case of linking "/tmp/a/abc"
1163 ;; to "/tmp/abc" erroneously giving "/tmp/a" instead
1164 ;; of "/tmp/" as common initial component
1165 (string-equal (substring file1
0 next
)
1166 (substring file2
0 next
)))
1169 sub
(substring file1
0 index
)
1170 name1
(substring file1 index
)))
1171 (if (string-equal sub
"/")
1172 ;; No common initial pathname found
1174 ;; Else they have a common parent directory
1175 (let ((tem (substring file2 index
))
1178 ;; Count number of slashes we must compensate for ...
1179 (while (setq start
(string-match "/" tem start
))
1180 (setq count
(1+ count
)
1182 ;; ... and prepend a "../" for each slash found:
1184 (setq count
(1- count
)
1185 name1
(concat "../" name1
)))))
1187 (directory-file-name name1
) ; must not link to foo/
1189 name2 ok-if-already-exists
)))
1191 (defun dired-do-relsymlink (&optional arg
)
1192 "Relative symlink all marked (or next ARG) files into a directory.
1193 Otherwise make a relative symbolic link to the current file.
1194 This creates relative symbolic links like
1198 not absolute ones like
1200 foo -> /ugly/path/that/may/change/any/day/bar/foo"
1202 (dired-do-create-files 'relsymlink
(function dired-make-relative-symlink
)
1203 "RelSymLink" arg dired-keep-marker-relsymlink
))
1205 (defun dired-do-relsymlink-regexp (regexp newname
&optional whole-path
)
1206 "RelSymlink all marked files containing REGEXP to NEWNAME.
1207 See functions `dired-do-rename-regexp' and `dired-do-relsymlink'
1209 (interactive (dired-mark-read-regexp "RelSymLink"))
1210 (dired-do-create-files-regexp
1211 (function dired-make-relative-symlink
)
1212 "RelSymLink" nil regexp newname whole-path dired-keep-marker-relsymlink
))
1215 ;;; VISIT ALL MARKED FILES SIMULTANEOUSLY.
1217 ;;; Brief Description:
1219 ;;; `dired-do-find-marked-files' is bound to `F' by dired-x.el.
1221 ;;; * Use `dired-get-marked-files' to collect the marked files in the current
1222 ;;; Dired Buffer into a list of filenames `FILE-LIST'.
1224 ;;; * Pass FILE-LIST to `dired-simultaneous-find-file' all with
1225 ;;; `dired-do-find-marked-files''s prefix argument NOSELECT.
1227 ;;; * `dired-simultaneous-find-file' runs through FILE-LIST decrementing the
1230 ;;; * If NOSELECT is non-nil then just run `find-file-noselect' on each
1231 ;;; element of FILE-LIST.
1233 ;;; * If NOSELECT is nil then calculate the `size' of the window for each file
1234 ;;; by dividing the `window-height' by length of FILE-LIST. Thus, `size' is
1235 ;;; cognizant of the window-configuration.
1237 ;;; * If `size' is too small abort, otherwise run `find-file' on each element
1238 ;;; of FILE-LIST giving each a window of height `size'.
1240 (defun dired-do-find-marked-files (&optional noselect
)
1241 "Find all marked files displaying all of them simultaneously.
1242 With optional NOSELECT just find files but do not select them.
1244 The current window is split across all files marked, as evenly as possible.
1245 Remaining lines go to bottom-most window. The number of files that can be
1246 displayed this way is restricted by the height of the current window and
1247 `window-min-height'.
1249 To keep dired buffer displayed, type \\[split-window-vertically] first.
1250 To display just marked files, type \\[delete-other-windows] first."
1253 (dired-simultaneous-find-file (dired-get-marked-files) noselect
))
1255 (defun dired-simultaneous-find-file (file-list noselect
)
1257 "Visit all files in FILE-LIST and display them simultaneously.
1258 The current window is split across all files in FILE-LIST, as evenly as
1259 possible. Remaining lines go to the bottom-most window. The number of
1260 files that can be displayed this way is restricted by the height of the
1261 current window and the variable `window-min-height'. With non-nil
1262 NOSELECT the files are merely found but not selected."
1264 ;; We don't make this function interactive because it is usually too clumsy
1265 ;; to specify FILE-LIST interactively unless via dired.
1270 ;; Do not select the buffer.
1271 (find-file-noselect (car file-list
))
1273 ;; We will have to select the buffer. Calculate and check window size.
1274 (setq size
(/ (window-height) (length file-list
)))
1275 (or (<= window-min-height size
)
1276 (error "Too many files to visit simultaneously. Try C-u prefix"))
1277 (find-file (car file-list
)))
1280 (setq file-list
(cdr file-list
))
1285 ;; Do not select the buffer.
1286 (find-file-noselect (car file-list
))
1288 ;; Vertically split off a window of desired size. Upper window will
1289 ;; have SIZE lines. Select lower (larger) window. We split it again.
1290 (select-window (split-window nil size
))
1291 (find-file (car file-list
)))
1294 (setq file-list
(cdr file-list
)))))
1297 ;;; MISCELLANEOUS COMMANDS.
1299 ;;; Run man on files.
1302 "Run man on this file. Display old buffer if buffer name matches filename.
1303 Uses ../lisp/man.el of \\[manual-entry] fame."
1306 (let ((file (dired-get-filename))
1307 (manual-program "nroff -man -h"))
1308 (Man-getpage-in-background file
)))
1310 ;;; Run Info on files.
1312 (defun dired-info ()
1313 "Run info on this file."
1315 (info (dired-get-filename)))
1317 ;;; Run mail on mail folders.
1319 ;;; (and (not (fboundp 'vm-visit-folder))
1320 ;;; (defun vm-visit-folder (file &optional arg)
1323 (defun dired-vm (&optional read-only
)
1324 "Run VM on this file.
1325 With prefix arg, visit folder read-only (this requires at least VM 5).
1326 See also variable `dired-vm-read-only-folders'."
1328 (let ((dir (dired-current-directory))
1329 (fil (dired-get-filename)))
1330 ;; take care to supply 2nd arg only if requested - may still run VM 4!
1331 (cond (read-only (vm-visit-folder fil t
))
1332 ((eq t dired-vm-read-only-folders
) (vm-visit-folder fil t
))
1333 ((null dired-vm-read-only-folders
) (vm-visit-folder fil
))
1334 (t (vm-visit-folder fil
(not (file-writable-p fil
)))))
1335 ;; so that pressing `v' inside VM does prompt within current directory:
1336 (set (make-local-variable 'vm-folder-directory
) dir
)))
1338 (defun dired-rmail ()
1339 "Run RMAIL on this file."
1341 (rmail (dired-get-filename)))
1343 (defun dired-do-run-mail ()
1344 "If `dired-bind-vm' is t, then function `dired-vm', otherwise `dired-rmail'."
1347 ;; Read mail folder using vm.
1349 ;; Read mail folder using rmail.
1353 ;;; MISCELLANEOUS INTERNAL FUNCTIONS.
1355 (or (fboundp 'dired-old-find-buffer-nocreate
)
1356 (fset 'dired-old-find-buffer-nocreate
1357 (symbol-function 'dired-find-buffer-nocreate
)))
1360 ;;; Redefines dired.el's version of `dired-find-buffer-nocreate'
1361 (defun dired-find-buffer-nocreate (dirname &optional mode
)
1362 (if (and dired-find-subdir
1363 ;; don't try to find a wildcard as a subdirectory
1364 (string-equal dirname
(file-name-directory dirname
)))
1365 (let* ((cur-buf (current-buffer))
1367 (dired-buffers-for-dir (expand-file-name dirname
))))
1368 (cur-buf-matches (and (memq cur-buf buffers
)
1369 ;; wildcards must match, too:
1370 (equal dired-directory dirname
))))
1371 ;; We don't want to switch to the same buffer---
1372 (setq buffers
(delq cur-buf buffers
));;need setq with delq
1373 (or (car (sort buffers
(function dired-buffer-more-recently-used-p
)))
1374 ;; ---unless it's the only possibility:
1375 (and cur-buf-matches cur-buf
)))
1376 (dired-old-find-buffer-nocreate dirname mode
)))
1378 ;; This should be a builtin
1379 (defun dired-buffer-more-recently-used-p (buffer1 buffer2
)
1380 "Return t if BUFFER1 is more recently used than BUFFER2."
1381 (if (equal buffer1 buffer2
)
1383 (let ((more-recent nil
)
1384 (list (buffer-list)))
1386 (not (setq more-recent
(equal buffer1
(car list
))))
1387 (not (equal buffer2
(car list
))))
1388 (setq list
(cdr list
)))
1391 ;;; Same thing as `dired-buffers-for-dir' of dired.el? - lrd 11/23/93
1392 ;;; (defun dired-buffers-for-dir-exact (dir)
1393 ;;; ;; Return a list of buffers that dired DIR (a directory or wildcard)
1394 ;;; ;; at top level, or as subdirectory.
1395 ;;; ;; Top level matches must match the wildcard part too, if any.
1396 ;;; ;; The list is in reverse order of buffer creation, most recent last.
1397 ;;; ;; As a side effect, killed dired buffers for DIR are removed from
1398 ;;; ;; dired-buffers.
1399 ;;; (let ((alist dired-buffers) result elt)
1401 ;;; (setq elt (car alist)
1402 ;;; alist (cdr alist))
1403 ;;; (let ((buf (cdr elt)))
1404 ;;; (if (buffer-name buf)
1405 ;;; ;; Top level must match exactly against dired-directory in
1406 ;;; ;; case one of them is a wildcard.
1407 ;;; (if (or (equal dir (save-excursion (set-buffer buf)
1408 ;;; dired-directory))
1409 ;;; (assoc dir (save-excursion (set-buffer buf)
1410 ;;; dired-subdir-alist)))
1411 ;;; (setq result (cons buf result)))
1412 ;;; ;; else buffer is killed - clean up:
1413 ;;; (setq dired-buffers (delq elt dired-buffers)))))
1417 ;;; Redefines dired.el's version of `dired-initial-position'
1418 (defun dired-initial-position (dirname)
1419 "Where point should go in a new listing of DIRNAME.
1420 Point assumed at beginning of new subdir line.
1421 You may redefine this function as you wish, e.g. like in dired-x.el."
1423 (if dired-find-subdir
(dired-goto-subdir dirname
)) ; new
1424 (if dired-trivial-filenames
(dired-goto-next-nontrivial-file)))
1427 ;; Does anyone use this? - lrd 6/29/93.
1428 ;; Apparently people do use it. - lrd 12/22/97.
1429 (defun dired-mark-sexp (predicate &optional unflag-p
)
1430 "Mark files for which PREDICATE returns non-nil.
1431 With a prefix arg, unflag those files instead.
1433 PREDICATE is a lisp expression that can refer to the following symbols:
1435 inode [integer] the inode of the file (only for ls -i output)
1436 s [integer] the size of the file for ls -s output
1437 (usually in blocks or, with -k, in KByte)
1438 mode [string] file permission bits, e.g. \"-rw-r--r--\"
1439 nlink [integer] number of links to file
1441 gid [string] group (If the gid is not displayed by ls,
1442 this will still be set (to the same as uid))
1443 size [integer] file size in bytes
1444 time [string] the time that ls displays, e.g. \"Feb 12 14:17\"
1445 name [string] the name of the file
1446 sym [string] if file is a symbolic link, the linked-to name, else \"\"
1452 to mark all zero length files."
1453 ;; Using sym="" instead of nil avoids the trap of
1454 ;; (string-match "foo" sym) into which a user would soon fall.
1455 ;; Give `equal' instead of `=' in the example, as this works on
1456 ;; integers and strings.
1457 (interactive "xMark if (lisp expr): \nP")
1458 (message "%s" predicate
)
1459 (let ((dired-marker-char (if unflag-p ?
\040 dired-marker-char
))
1460 inode s mode nlink uid gid size time name sym
)
1465 ;; inode s mode nlink uid gid size time name sym
1467 ;; according to current file line. Returns t for success, nil if
1468 ;; there is no file line. Upon success, all variables are set, either
1469 ;; to nil or the appropriate value, so they need not be initialized.
1470 ;; Moves point within the current line.
1471 (if (dired-move-to-filename)
1473 (mode-len 10) ; length of mode string
1474 ;; like in dired.el, but with subexpressions \1=inode, \2=s:
1475 (dired-re-inode-size "\\s *\\([0-9]*\\)\\s *\\([0-9]*\\) ?"))
1478 (if (looking-at dired-re-inode-size
)
1480 (goto-char (match-end 0))
1481 (setq inode
(string-to-int (buffer-substring (match-beginning 1)
1483 s
(string-to-int (buffer-substring (match-beginning 2)
1487 (setq mode
(buffer-substring (point) (+ mode-len
(point))))
1488 (forward-char mode-len
)
1489 (setq nlink
(read (current-buffer)))
1490 ;; Karsten Wenger <kw@cis.uni-muenchen.de> fixed uid.
1491 (setq uid
(buffer-substring (+ (point) 1)
1492 (progn (forward-word 1) (point))))
1493 (re-search-forward "\\(Jan\\|Feb\\|Mar\\|Apr\\|May\\|Jun\\|\
1494 Jul\\|Aug\\|Sep\\|Oct\\|Nov\\|Dec\\)")
1495 (goto-char (match-beginning 1))
1497 (setq size
(string-to-int (buffer-substring (save-excursion
1503 ;; if no gid is displayed, gid will be set to uid
1504 ;; but user will then not reference it anyway in PREDICATE.
1505 (setq gid
(buffer-substring (save-excursion
1506 (forward-word 1) (point))
1508 time
(buffer-substring (match-beginning 1)
1509 (1- (dired-move-to-filename)))
1510 name
(buffer-substring (point)
1512 (dired-move-to-end-of-filename t
)
1515 (if (looking-at " -> ")
1517 (progn (forward-char 4) (point))
1518 (progn (end-of-line) (point)))
1523 (format "'%s file" predicate
))))
1526 ;;; FIND FILE AT POINT.
1528 (defvar dired-x-hands-off-my-keys t
1529 "*Non-nil means don't bind `dired-x-find-file' over `find-file' on keyboard.
1530 Similarly for `dired-x-find-file-other-window' over `find-file-other-window'.
1531 If you change this variable after dired-x.el is loaded then do
1532 \\[dired-x-bind-find-file].")
1534 ;;; Bind `dired-x-find-file{-other-window}' over wherever
1535 ;;; `find-file{-other-window}' is bound?
1536 (defun dired-x-bind-find-file ()
1537 "Bind `dired-x-find-file' in place of `find-file' \(or reverse\).
1538 Similarly for `dired-x-find-file-other-window' and `find-file-other-window'.
1539 Binding direction based on `dired-x-hands-off-my-keys'.
1540 This function part of `after-init-hook'."
1543 (setq dired-x-hands-off-my-keys
1544 (not (y-or-n-p "Bind dired-x-find-file over find-file? "))))
1545 (cond ((not dired-x-hands-off-my-keys
)
1546 (substitute-key-definition 'find-file
1548 (current-global-map))
1549 (substitute-key-definition 'find-file-other-window
1550 'dired-x-find-file-other-window
1551 (current-global-map)))
1553 (substitute-key-definition 'dired-x-find-file
1555 (current-global-map))
1556 (substitute-key-definition 'dired-x-find-file-other-window
1557 'find-file-other-window
1558 (current-global-map))))
1559 ;; Clear mini-buffer.
1562 ;;; Now call it so binding is correct and put on `after-init-hook' in case
1563 ;;; user changes binding.
1564 (dired-x-bind-find-file)
1565 (add-hook 'after-init-hook
'dired-x-bind-find-file
)
1567 (defun dired-x-find-file (filename)
1568 "Edit file FILENAME.
1569 May create a new window, or reuse an existing one.
1570 See the function `display-buffer'.
1572 Identical to `find-file' except when called interactively, with a prefix arg
1573 \(e.g., \\[universal-argument]\), in which case it guesses filename near
1574 point. Useful for editing file mentioned in buffer you are viewing, or to
1575 test if that file exists. Use minibuffer after snatching filename."
1576 (interactive (list (read-filename-at-point "Find file: ")))
1577 (find-file (expand-file-name filename
)))
1579 (defun dired-x-find-file-other-window (filename)
1580 "Edit file FILENAME, in another window.
1581 May create a new window, or reuse an existing one.
1582 See the function `display-buffer'.
1584 Identical to `find-file-other-window' except when called interactively, with a
1585 prefix arg \(e.g., \\[universal-argument]\), in which case it guesses filename
1586 near point. Useful for editing file mentioned in buffer you are viewing, or
1587 to test if that file exists. Use minibuffer after snatching filename."
1588 (interactive (list (read-filename-at-point "Find file: ")))
1589 (find-file-other-window (expand-file-name filename
)))
1591 ;;; Internal functions.
1592 (defun dired-filename-at-point ()
1594 "Get the filename closest to point, but do not change position.
1595 Has a preference for looking backward when not directly on a symbol. Not
1596 perfect - point must be in middle of or end of filename."
1598 (let ((filename-chars ".a-zA-Z0-9---_/:$+@") ; fixme: allow non-ASCII
1599 (bol (save-excursion (beginning-of-line) (point)))
1600 (eol (save-excursion (end-of-line) (point)))
1601 start end filename prefix
)
1604 ;; First see if just past a filename.
1606 (if (looking-at "[] \t\n[{}()]") ; whitespace or some parens
1608 (skip-chars-backward " \n\t\r({[]})")
1610 (backward-char 1)))))
1612 (if (string-match (concat "[" filename-chars
"]")
1613 (char-to-string (following-char)))
1615 (skip-chars-backward filename-chars
)
1616 (setq start
(point))
1618 (and (string-match "^\\w+@"
1619 (buffer-substring start eol
))
1622 (if (string-match "[/~]" (char-to-string (preceding-char)))
1623 (setq start
(1- start
)))
1624 (skip-chars-forward filename-chars
))
1626 (error "No file found around point!"))
1629 (expand-file-name (concat prefix
(buffer-substring start
(point)))))))
1631 (defun read-filename-at-point (prompt)
1632 "Return filename prompting with PROMPT with completion.
1633 If `current-prefix-arg' is non-nil, uses name at point as guess."
1634 (if current-prefix-arg
1635 (let ((guess (dired-filename-at-point)))
1636 (read-file-name prompt
1637 (file-name-directory guess
)
1639 nil
(file-name-nondirectory guess
)))
1640 (read-file-name prompt default-directory
)))
1644 ;; Fixme: get rid of this later.
1646 ;;; This section is provided for reports. It uses Barry A. Warsaw's
1647 ;;; reporter.el which is bundled with GNU Emacs v19.
1649 (defconst dired-x-help-address
"bug-gnu-emacs@gnu.org"
1650 "Address(es) accepting submission of reports on dired-x.el.")
1652 (defconst dired-x-variable-list
1655 'dired-vm-read-only-folders
1660 'dired-enable-local-variables
1661 'dired-local-variables-file
1662 'dired-guess-shell-gnutar
1663 'dired-guess-shell-gzip-quiet
1664 'dired-guess-shell-znew-switches
1665 'dired-guess-shell-alist-user
1666 'dired-clean-up-buffers-too
1669 'dired-omit-extensions
1671 "List of variables to be appended to reports sent by `dired-x-submit-report'.")
1673 (defun dired-x-submit-report ()
1674 "Submit via reporter.el a bug report on program.
1675 Send report on `dired-x-file' version `dired-x-version,' to
1676 `dired-x-maintainer' at address `dired-x-help-address' listing
1677 variables `dired-x-variable-list' in the message."
1680 (reporter-submit-bug-report
1681 dired-x-help-address
; address
1683 dired-x-variable-list
; varlist
1684 nil nil
; pre-/post-hooks
1688 ;; As Barry Warsaw would say: "This might be useful..."
1691 ;;; dired-x.el ends here