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
10 ;; Copyright (C) 1993, 1994, 1997 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 19. Redundant or conflicting material
33 ;; has been removed or renamed in order to work properly with dired of
34 ;; GNU Emacs 19. 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 " Omit")) minor-mode-alist
))))
515 (defun dired-omit-toggle (&optional flag
)
516 "Toggle omitting files matching `dired-omit-files' and `dired-omit-extensions'.
517 With an arg, and if omitting was off, don't toggle and just mark the
518 files but don't actually omit them.
519 With an arg, and if omitting was on, turn it off but don't refresh the buffer."
522 (if dired-omit-files-p
523 (setq dired-omit-files-p
(not dired-omit-files-p
))
524 (dired-mark-unmarked-files (dired-omit-regexp) nil nil
527 (setq dired-omit-files-p
(not dired-omit-files-p
))
528 (if (not dired-omit-files-p
)
530 ;; this will mention how many were omitted:
531 (let ((dired-omit-size-limit nil
))
532 (dired-omit-expunge)))))
534 (defvar dired-omit-extensions
535 (append completion-ignored-extensions
536 dired-latex-unclean-extensions
537 dired-bibtex-unclean-extensions
538 dired-texinfo-unclean-extensions
)
539 "If non-nil, a list of extensions \(strings\) to omit from Dired listings.
540 Defaults to elements of `completion-ignored-extensions',
541 `dired-latex-unclean-extensions', `dired-bibtex-unclean-extensions', and
542 `dired-texinfo-unclean-extensions'.
544 See interactive function `dired-omit-toggle' \(\\[dired-omit-toggle]\) and
545 variables `dired-omit-files-p' and `dired-omit-files'.")
547 (defun dired-omit-expunge (&optional regexp
)
548 "Erases all unmarked files matching REGEXP.
549 Does nothing if global variable `dired-omit-files-p' is nil, or if called
550 non-interactively and buffer is bigger than `dired-omit-size-limit'.
551 If REGEXP is nil or not specified, uses `dired-omit-files', and also omits
552 filenames ending in `dired-omit-extensions'.
553 If REGEXP is the empty string, this function is a no-op.
555 This functions works by temporarily binding `dired-marker-char' to
556 `dired-omit-marker-char' and calling `dired-do-kill-lines'."
557 (interactive "sOmit files (regexp): ")
558 (if (and dired-omit-files-p
560 (not dired-omit-size-limit
)
561 (< (buffer-size) dired-omit-size-limit
)
563 (message "Not omitting: directory larger than %d characters."
564 dired-omit-size-limit
)
565 (setq dired-omit-files-p nil
)
567 (let ((omit-re (or regexp
(dired-omit-regexp)))
568 (old-modified-p (buffer-modified-p))
570 (or (string= omit-re
"")
571 (let ((dired-marker-char dired-omit-marker-char
))
572 (message "Omitting...")
573 (if (dired-mark-unmarked-files omit-re nil nil dired-omit-localp
)
575 (setq count
(dired-do-kill-lines nil
"Omitted %d line%s."))
576 (force-mode-line-update))
577 (message "(Nothing to omit)"))))
578 ;; Try to preserve modified state of buffer. So `%*' doesn't appear
579 ;; in mode-line of omitted buffers.
580 (set-buffer-modified-p (and old-modified-p
582 (goto-char (point-min))
583 (re-search-forward dired-re-mark nil t
))))
586 (defun dired-omit-regexp ()
587 (concat (if dired-omit-files
(concat "\\(" dired-omit-files
"\\)") "")
588 (if (and dired-omit-files dired-omit-extensions
) "\\|" "")
589 (if dired-omit-extensions
590 (concat ".";; a non-extension part should exist
592 (mapconcat 'regexp-quote dired-omit-extensions
"\\|")
596 ;; Returns t if any work was done, nil otherwise.
597 (defun dired-mark-unmarked-files (regexp msg
&optional unflag-p localp
)
598 "Mark unmarked files matching REGEXP, displaying MSG.
599 REGEXP is matched against the complete pathname.
600 Does not re-mark files which already have a mark.
601 With prefix argument, unflag all those files.
602 Second optional argument LOCALP is as in `dired-get-filename'."
604 (let ((dired-marker-char (if unflag-p ?\ dired-marker-char
)))
607 ;; not already marked
610 (let ((fn (dired-get-filename localp t
)))
611 (and fn
(string-match regexp fn
))))
615 (defun dired-omit-new-add-entry (filename &optional marker-char relative
)
616 ;; This redefines dired-aux.el's dired-add-entry to avoid calling ls for
617 ;; files that are going to be omitted anyway.
618 (if dired-omit-files-p
619 ;; perhaps return t without calling ls
620 (let ((omit-re (dired-omit-regexp)))
621 (if (or (string= omit-re
"")
623 (string-match omit-re
625 ((eq 'no-dir dired-omit-localp
)
627 ((eq t dired-omit-localp
)
628 (dired-make-relative filename
))
632 (file-name-directory filename
)))))))
633 ;; if it didn't match, go ahead and add the entry
634 (dired-omit-old-add-entry filename marker-char relative
)
635 ;; dired-add-entry returns t for success, perhaps we should
636 ;; return file-exists-p
638 ;; omitting is not turned on at all
639 (dired-omit-old-add-entry filename marker-char relative
)))
642 ;;; Redefine dired-aux.el's version of `dired-add-entry'
643 ;;; Save old defun if not already done:
644 (or (fboundp 'dired-omit-old-add-entry
)
645 (fset 'dired-omit-old-add-entry
(symbol-function 'dired-add-entry
)))
647 (fset 'dired-add-entry
'dired-omit-new-add-entry
)
650 ;;; VIRTUAL DIRED MODE.
652 ;;; For browsing `ls -lR' listings in a dired-like fashion.
654 (fset 'virtual-dired
'dired-virtual
)
655 (defun dired-virtual (dirname &optional switches
)
656 "Put this buffer into Virtual Dired mode.
658 In Virtual Dired mode, all commands that do not actually consult the
659 filesystem will work.
661 This is useful if you want to peruse and move around in an ls -lR
662 output file, for example one you got from an ftp server. With
663 ange-ftp, you can even dired a directory containing an ls-lR file,
664 visit that file and turn on virtual dired mode. But don't try to save
665 this file, as dired-virtual indents the listing and thus changes the
668 If you have save a Dired buffer in a file you can use \\[dired-virtual] to
669 resume it in a later session.
671 Type \\<dired-mode-map>\\[revert-buffer] in the
672 Virtual Dired buffer and answer `y' to convert the virtual to a real
673 dired buffer again. You don't have to do this, though: you can relist
674 single subdirs using \\[dired-do-redisplay]."
676 ;; DIRNAME is the top level directory of the buffer. It will become
677 ;; its `default-directory'. If nil, the old value of
678 ;; default-directory is used.
680 ;; Optional SWITCHES are the ls switches to use.
682 ;; Shell wildcards will be used if there already is a `wildcard'
683 ;; line in the buffer (thus it is a saved Dired buffer), but there
684 ;; is no other way to get wildcards. Insert a `wildcard' line by
685 ;; hand if you want them.
688 (list (read-string "Virtual Dired directory: " (dired-virtual-guess-dir))))
689 (goto-char (point-min))
691 ;; if not already indented, do it now:
692 (indent-region (point-min) (point-max) 2))
693 (or dirname
(setq dirname default-directory
))
694 (setq dirname
(expand-file-name (file-name-as-directory dirname
)))
695 (setq default-directory dirname
) ; contains no wildcards
696 (let ((wildcard (save-excursion
697 (goto-char (point-min))
699 (and (looking-at "^ wildcard ")
700 (buffer-substring (match-end 0)
701 (progn (end-of-line) (point)))))))
703 (setq dirname
(expand-file-name wildcard default-directory
))))
704 ;; If raw ls listing (not a saved old dired buffer), give it a
705 ;; decent subdir headerline:
706 (goto-char (point-min))
707 (or (looking-at dired-subdir-regexp
)
708 (dired-insert-headerline default-directory
))
709 (dired-mode dirname
(or switches dired-listing-switches
))
710 (setq mode-name
"Virtual Dired"
711 revert-buffer-function
'dired-virtual-revert
)
712 (set (make-local-variable 'dired-subdir-alist
) nil
)
713 (dired-build-subdir-alist)
714 (goto-char (point-min))
715 (dired-initial-position dirname
))
717 (defun dired-virtual-guess-dir ()
718 "Guess and return appropriate working directory of this buffer.
719 The buffer is assumed to be in Dired or ls -lR format. The guess is
720 based upon buffer contents. If nothing could be guessed, returns
723 (let ((regexp "^\\( \\)?\\([^ \n\r]*\\)\\(:\\)[\n\r]")
725 (goto-char (point-min))
726 (cond ((looking-at regexp
)
727 ;; If a saved dired buffer, look to which dir and
728 ;; perhaps wildcard it belongs:
729 (let ((dir (buffer-substring (match-beginning subexpr
)
730 (match-end subexpr
))))
731 (file-name-as-directory dir
)))
732 ;; Else no match for headerline found. It's a raw ls listing.
733 ;; In raw ls listings the directory does not have a headerline
734 ;; try parent of first subdir, if any
735 ((re-search-forward regexp nil t
)
738 (file-name-as-directory
739 (buffer-substring (match-beginning subexpr
)
740 (match-end subexpr
))))))
741 (t ; if all else fails
745 (defun dired-virtual-revert (&optional arg noconfirm
)
747 (y-or-n-p "Cannot revert a Virtual Dired buffer - switch to Real Dired mode? "))
748 (error "Cannot revert a Virtual Dired buffer")
749 (setq mode-name
"Dired"
750 revert-buffer-function
'dired-revert
)
753 ;; A zero-arg version of dired-virtual.
754 ;; You need my modified version of set-auto-mode for the
755 ;; `buffer-contents-mode-alist'.
756 ;; Or you use infer-mode.el and infer-mode-alist, same syntax.
757 (defun dired-virtual-mode ()
758 "Put current buffer into virtual dired mode (see `dired-virtual').
759 Useful on `buffer-contents-mode-alist' (which see) with the regexp
761 \"^ \\(/[^ /]+\\)/?+:$\"
763 to put saved dired buffers automatically into virtual dired mode.
765 Also useful for `auto-mode-alist' (which see) like this:
767 \(setq auto-mode-alist (cons '(\"[^/]\\.dired\\'\" . dired-virtual-mode)
770 (dired-virtual (dired-virtual-guess-dir)))
775 ;;; An Emacs buffer can have but one working directory, stored in the
776 ;;; buffer-local variable `default-directory'. A Dired buffer may have
777 ;;; several subdirectories inserted, but still has but one working directory:
778 ;;; that of the top level Dired directory in that buffer. For some commands
779 ;;; it is appropriate that they use the current Dired directory instead of
780 ;;; `default-directory', e.g., `find-file' and `compile'. This is a general
781 ;;; mechanism is provided for special handling of the working directory in
782 ;;; special major modes.
784 ;; It's easier to add to this alist than redefine function
785 ;; default-directory while keeping the old information.
786 (defconst default-directory-alist
787 '((dired-mode .
(if (fboundp 'dired-current-directory
)
788 (dired-current-directory)
790 "Alist of major modes and their opinion on `default-directory'.
791 This is given as a Lisp expression to evaluate. A resulting value of
792 nil is ignored in favor of `default-directory'.")
794 (defun dired-default-directory ()
795 "Usage like variable `default-directory'.
796 Knows about the special cases in variable `default-directory-alist'."
797 (or (eval (cdr (assq major-mode default-directory-alist
)))
800 (defun dired-smart-shell-command (cmd &optional insert
)
801 "Like function `shell-command', but in the current Tree Dired directory."
802 (interactive (list (read-from-minibuffer "Shell command: "
803 nil nil nil
'shell-command-history
)
805 (let ((default-directory (dired-default-directory)))
806 (shell-command cmd insert
)))
809 ;;; LOCAL VARIABLES FOR DIRED BUFFERS.
811 ;;; Brief Description:
813 ;;; * `dired-extra-startup' is part of the `dired-mode-hook'.
815 ;;; * `dired-extra-startup' calls `dired-hack-local-variables'
817 ;;; * `dired-hack-local-variables' checks the value of
818 ;;; `dired-local-variables-file'
820 ;;; * Check if `dired-local-variables-file' is a non-nil string and is a
821 ;;; filename found in the directory of the Dired Buffer being created.
823 ;;; * If `dired-local-variables-file' satisfies the above, then temporarily
824 ;;; include it in the Dired Buffer at the bottom.
826 ;;; * Set `enable-local-variables' temporarily to the user variable
827 ;;; `dired-enable-local-variables' and run `hack-local-variables' on the
830 (defvar dired-local-variables-file
(convert-standard-filename ".dired")
831 "Filename, as string, containing local dired buffer variables to be hacked.
832 If this file found in current directory, then it will be inserted into dired
833 buffer and `hack-local-variables' will be run. See Emacs Info pages for more
834 information on local variables. See also `dired-enable-local-variables'.")
836 (defun dired-hack-local-variables ()
837 "Evaluate local variables in `dired-local-variables-file' for dired buffer."
838 (if (and dired-local-variables-file
839 (stringp dired-local-variables-file
)
840 (file-exists-p dired-local-variables-file
))
841 (let ((opoint (point-max))
843 ;; In case user has `enable-local-variables' set to nil we
844 ;; override it locally with dired's variable.
845 (enable-local-variables dired-enable-local-variables
))
850 (insert-file-contents dired-local-variables-file
))
852 (let ((buffer-file-name dired-local-variables-file
))
853 (hack-local-variables))
854 ;; Make sure that the modeline shows the proper information.
855 (dired-sort-set-modeline)
856 ;; Delete this stuff: `eobp' is used to find last subdir by dired.el.
857 (delete-region opoint
(point-max)))))
859 (defun dired-omit-here-always ()
860 "Create `dired-local-variables-file' for omitting and reverts directory.
861 Sets dired-omit-file-p to t in a local variables file that is readable by
864 (if (file-exists-p dired-local-variables-file
)
865 (message "File `./%s' already exists." dired-local-variables-file
)
867 ;; Create `dired-local-variables-file'.
869 (set-buffer (get-buffer-create " *dot-dired*"))
871 (insert "Local Variables:\ndired-omit-files-p: t\nEnd:\n")
872 (write-file dired-local-variables-file
)
873 (kill-buffer (current-buffer)))
875 ;; Run extra-hooks and revert directory.
876 (dired-extra-startup)
880 ;;; GUESS SHELL COMMAND.
882 ;;; Brief Description:
884 ;;; `dired-do-shell-command' is bound to `!' by dired.el.
886 ;;; * Redefine `dired-do-shell-command' so it calls
887 ;;; `dired-guess-shell-command'.
889 ;;; * `dired-guess-shell-command' calls `dired-guess-default' with list of
892 ;;; * Parse `dired-guess-shell-alist-user' and
893 ;;; `dired-guess-shell-alist-default' (in that order) for the first REGEXP
894 ;;; that matches the first file in the file list.
896 ;;; * If the REGEXP matches all the entries of the file list then evaluate
897 ;;; COMMAND, which is either a string or a Lisp expression returning a
898 ;;; string. COMMAND may be a list of commands.
900 ;;; * Return this command to `dired-guess-shell-command' which prompts user
901 ;;; with it. The list of commands is temporarily put into the history list.
902 ;;; If a command is used successfully then it is stored permanently in
903 ;;; `dired-shell-command-history'.
905 ;;; Guess what shell command to apply to a file.
906 (defvar dired-shell-command-history nil
907 "History list for commands that read dired-shell commands.")
909 ;;; Default list of shell commands.
911 ;;; NOTE: Use `gunzip -c' instead of `zcat' on `.gz' files. Some do not
912 ;;; install GNU zip's version of zcat.
914 (defvar dired-guess-shell-alist-default
916 (list "\\.tar$" '(if dired-guess-shell-gnutar
917 (concat dired-guess-shell-gnutar
" xvf")
920 ;; REGEXPS for compressed archives must come before the .Z rule to
924 '(if dired-guess-shell-gnutar
925 (concat dired-guess-shell-gnutar
" zxvf")
926 (concat "zcat * | tar xvf -"))
927 ;; Optional conversion to gzip format.
928 '(concat "znew" (if dired-guess-shell-gzip-quiet
" -q")
929 " " dired-guess-shell-znew-switches
))
932 (list "\\.t\\(ar\\.\\)?gz$"
933 '(if dired-guess-shell-gnutar
934 (concat dired-guess-shell-gnutar
" zxvf")
935 (concat "gunzip -qc * | tar xvf -"))
936 ;; Optional decompression.
937 '(concat "gunzip" (if dired-guess-shell-gzip-quiet
" -q" "")))
939 (list "\\.tar\\.bz2$"
940 "bunzip2 -c * | tar xvf -"
941 ;; Optional decompression.
944 '("\\.shar.Z$" "zcat * | unshar")
945 '("\\.shar.g?z$" "gunzip -qc * | unshar")
947 '("\\.e?ps$" "ghostview" "xloadimage" "lpr")
948 (list "\\.e?ps.g?z$" "gunzip -qc * | ghostview -"
949 ;; Optional decompression.
950 '(concat "gunzip" (if dired-guess-shell-gzip-quiet
" -q")))
951 (list "\\.e?ps.Z$" "zcat * | ghostview -"
952 ;; Optional conversion to gzip format.
953 '(concat "znew" (if dired-guess-shell-gzip-quiet
" -q")
954 " " dired-guess-shell-znew-switches
))
955 '("\\.patch$" "cat * | patch")
956 '("\\.patch.g?z$" "gunzip -qc * | patch")
957 (list "\\.patch.Z$" "zcat * | patch"
958 ;; Optional conversion to gzip format.
959 '(concat "znew" (if dired-guess-shell-gzip-quiet
" -q")
960 " " dired-guess-shell-znew-switches
))
962 '("\\.dvi$" "xdvi" "dvips") ; preview and printing
963 '("\\.au$" "play") ; play Sun audiofiles
964 '("\\.mpg$" "mpeg_play")
965 '("\\.uu$" "uudecode") ; for uudecoded files
966 '("\\.hqx$" "mcvert")
967 '("\\.sh$" "sh") ; execute shell scripts
968 '("\\.xbm$" "bitmap") ; view X11 bitmaps
969 '("\\.gp$" "gnuplot")
970 '("\\.p[bgpn]m$" "xloadimage")
971 '("\\.gif$" "xloadimage") ; view gif pictures
972 '("\\.tif$" "xloadimage")
973 '("\\.png$" "display") ; xloadimage 4.1 doesn't grok PNG
974 '("\\.jpg$" "xloadimage")
975 '("\\.fig$" "xfig") ; edit fig pictures
976 '("\\.out$" "xgraph") ; for plotting purposes.
977 '("\\.tex$" "latex" "tex")
978 '("\\.texi\\(nfo\\)?$" "makeinfo" "texi2dvi")
979 '("\\.pdf$" "xpdf") ; edit PDF files
981 ;; Some other popular archivers.
982 '("\\.zoo$" "zoo x//")
984 '("\\.lzh$" "lharc x")
986 '("\\.shar$" "unshar")
989 (list "\\.g?z$" '(concat "gunzip" (if dired-guess-shell-gzip-quiet
" -q")))
990 (list "\\.bz2$" "bunzip2")
991 (list "\\.Z$" "uncompress"
992 ;; Optional conversion to gzip format.
993 '(concat "znew" (if dired-guess-shell-gzip-quiet
" -q")
994 " " dired-guess-shell-znew-switches
))
997 "Default alist used for shell command guessing.
998 See `dired-guess-shell-alist-user'.")
1000 (defcustom dired-guess-shell-alist-user nil
1001 "User-defined alist of rules for suggested commands.
1002 These rules take precedence over the predefined rules in the variable
1003 `dired-guess-shell-alist-default' (to which they are prepended).
1005 Each element of this list looks like
1007 \(REGEXP COMMAND...\)
1009 where each COMMAND can either be a string or a lisp expression that evaluates
1010 to a string. If several COMMANDs are given, the first one will be the default
1011 and the rest will be added temporarily to the history and can be retrieved
1012 with \\[previous-history-element] (M-p) .
1014 You can set this variable in your ~/.emacs. For example, to add rules for
1015 `.foo' and `.bar' files, write
1017 \(setq dired-guess-shell-alist-user
1018 (list (list \"\\\\.foo\\\\'\" \"FOO-COMMAND\");; fixed rule
1019 ;; possibly more rules ...
1020 (list \"\\\\.bar\\\'\";; rule with condition test
1023 \"BAR-COMMAND-2\")))\)"
1025 :type
'(alist :key-type regexp
:value-type
(repeat sexp
)))
1027 (defun dired-guess-default (files)
1028 "Guess a shell commands for FILES. Return command or list of commands.
1029 See `dired-guess-shell-alist-user'."
1031 (let* ((case-fold-search nil
) ; case-sensitive matching
1032 ;; Prepend the user's alist to the default alist.
1033 (alist (append dired-guess-shell-alist-user
1034 dired-guess-shell-alist-default
))
1039 ;; Find the first match in the alist for first file in FILES.
1041 (setq elt
(car alist
)
1044 (if (string-match regexp file
)
1045 (setq cmds
(cdr elt
)
1048 ;; If more than one file, see if all of FILES match regular expression.
1050 (string-match regexp
(car flist
)))
1051 (setq flist
(cdr flist
)))
1053 ;; If flist is still non-nil, then do not guess since this means that not
1054 ;; all the files in FILES were matched by the regexp.
1055 (setq cmds
(and (not flist
) cmds
))
1057 ;; Return commands or nil if flist is still non-nil.
1058 ;; Evaluate the commands in order that any logical testing will be done.
1059 (cond ((not (cdr cmds
))
1060 (eval (car cmds
))) ; single command
1062 (mapcar (function eval
) cmds
)))))
1064 (defun dired-guess-shell-command (prompt files
)
1065 "Ask user with PROMPT for a shell command, guessing a default from FILES."
1067 (let ((default (dired-guess-default files
))
1068 default-list old-history val
(failed t
))
1072 (read-from-minibuffer prompt nil nil nil
'dired-shell-command-history
)
1074 ;; Save current history list
1075 (setq old-history dired-shell-command-history
)
1079 ;; More than one guess
1080 (setq default-list default
1081 default
(car default
)
1084 (format "{%d guesses} " (length default-list
))))
1087 (setq default-list
(list default
)))
1089 ;; Push all guesses onto history so that they can be retrieved with M-p
1090 ;; and put the first guess in the prompt but not in the initial value.
1091 (setq dired-shell-command-history
1092 (append default-list dired-shell-command-history
)
1093 prompt
(concat prompt
(format "[%s] " default
)))
1095 ;; The unwind-protect returns VAL, and we too.
1099 (setq val
(read-from-minibuffer prompt nil nil nil
1100 'dired-shell-command-history
)
1102 ;; If we got a return, then use default.
1108 ;; Undo pushing onto the history list so that an aborted
1109 ;; command doesn't get the default in the next command.
1110 (setq dired-shell-command-history old-history
)
1112 (or (equal val
(car-safe dired-shell-command-history
))
1113 (setq dired-shell-command-history
1114 (cons val dired-shell-command-history
))))))))
1118 ;;; Redefine dired-aux.el's version:
1119 (defun dired-read-shell-command (prompt arg files
)
1120 "Read a dired shell command prompting with PROMPT (using read-string).
1121 ARG is the prefix arg and may be used to indicate in the prompt which
1123 This is an extra function so that you can redefine it."
1126 'dired-guess-shell-command
1127 (format prompt
(dired-mark-prompt arg files
)) ; PROMPT
1131 ;;; RELATIVE SYMBOLIC LINKS.
1133 (defvar dired-keep-marker-relsymlink ?S
1134 "See variable `dired-keep-marker-move'.")
1136 (defun dired-make-relative-symlink (file1 file2
&optional ok-if-already-exists
)
1137 "Make a symbolic link (pointing to FILE1) in FILE2.
1138 The link is relative (if possible), for example
1140 \"/vol/tex/bin/foo\" \"/vol/local/bin/foo\"
1144 \"../../tex/bin/foo\" \"/vol/local/bin/foo\""
1145 (interactive "FRelSymLink: \nFRelSymLink %s: \np")
1146 (let (name1 name2 len1 len2
(index 0) sub
)
1147 (setq file1
(expand-file-name file1
)
1148 file2
(expand-file-name file2
)
1150 len2
(length file2
))
1151 ;; Find common initial pathname components:
1153 (while (and (setq next
(string-match "/" file1 index
))
1154 (setq next
(1+ next
))
1155 (< next
(min len1 len2
))
1156 ;; For the comparison, both substrings must end in
1157 ;; `/', so NEXT is *one plus* the result of the
1159 ;; E.g., consider the case of linking "/tmp/a/abc"
1160 ;; to "/tmp/abc" erroneously giving "/tmp/a" instead
1161 ;; of "/tmp/" as common initial component
1162 (string-equal (substring file1
0 next
)
1163 (substring file2
0 next
)))
1166 sub
(substring file1
0 index
)
1167 name1
(substring file1 index
)))
1168 (if (string-equal sub
"/")
1169 ;; No common initial pathname found
1171 ;; Else they have a common parent directory
1172 (let ((tem (substring file2 index
))
1175 ;; Count number of slashes we must compensate for ...
1176 (while (setq start
(string-match "/" tem start
))
1177 (setq count
(1+ count
)
1179 ;; ... and prepend a "../" for each slash found:
1181 (setq count
(1- count
)
1182 name1
(concat "../" name1
)))))
1184 (directory-file-name name1
) ; must not link to foo/
1186 name2 ok-if-already-exists
)))
1188 (defun dired-do-relsymlink (&optional arg
)
1189 "Relative symlink all marked (or next ARG) files into a directory.
1190 Otherwise make a relative symbolic link to the current file.
1191 This creates relative symbolic links like
1195 not absolute ones like
1197 foo -> /ugly/path/that/may/change/any/day/bar/foo"
1199 (dired-do-create-files 'relsymlink
(function dired-make-relative-symlink
)
1200 "RelSymLink" arg dired-keep-marker-relsymlink
))
1202 (defun dired-do-relsymlink-regexp (regexp newname
&optional whole-path
)
1203 "RelSymlink all marked files containing REGEXP to NEWNAME.
1204 See functions `dired-do-rename-regexp' and `dired-do-relsymlink'
1206 (interactive (dired-mark-read-regexp "RelSymLink"))
1207 (dired-do-create-files-regexp
1208 (function dired-make-relative-symlink
)
1209 "RelSymLink" nil regexp newname whole-path dired-keep-marker-relsymlink
))
1212 ;;; VISIT ALL MARKED FILES SIMULTANEOUSLY.
1214 ;;; Brief Description:
1216 ;;; `dired-do-find-marked-files' is bound to `F' by dired-x.el.
1218 ;;; * Use `dired-get-marked-files' to collect the marked files in the current
1219 ;;; Dired Buffer into a list of filenames `FILE-LIST'.
1221 ;;; * Pass FILE-LIST to `dired-simultaneous-find-file' all with
1222 ;;; `dired-do-find-marked-files''s prefix argument NOSELECT.
1224 ;;; * `dired-simultaneous-find-file' runs through FILE-LIST decrementing the
1227 ;;; * If NOSELECT is non-nil then just run `find-file-noselect' on each
1228 ;;; element of FILE-LIST.
1230 ;;; * If NOSELECT is nil then calculate the `size' of the window for each file
1231 ;;; by dividing the `window-height' by length of FILE-LIST. Thus, `size' is
1232 ;;; cognizant of the window-configuration.
1234 ;;; * If `size' is too small abort, otherwise run `find-file' on each element
1235 ;;; of FILE-LIST giving each a window of height `size'.
1237 (defun dired-do-find-marked-files (&optional noselect
)
1238 "Find all marked files displaying all of them simultaneously.
1239 With optional NOSELECT just find files but do not select them.
1241 The current window is split across all files marked, as evenly as possible.
1242 Remaining lines go to bottom-most window. The number of files that can be
1243 displayed this way is restricted by the height of the current window and
1244 `window-min-height'.
1246 To keep dired buffer displayed, type \\[split-window-vertically] first.
1247 To display just marked files, type \\[delete-other-windows] first."
1250 (dired-simultaneous-find-file (dired-get-marked-files) noselect
))
1252 (defun dired-simultaneous-find-file (file-list noselect
)
1254 "Visit all files in FILE-LIST and display them simultaneously.
1255 The current window is split across all files in FILE-LIST, as evenly as
1256 possible. Remaining lines go to the bottom-most window. The number of
1257 files that can be displayed this way is restricted by the height of the
1258 current window and the variable `window-min-height'. With non-nil
1259 NOSELECT the files are merely found but not selected."
1261 ;; We don't make this function interactive because it is usually too clumsy
1262 ;; to specify FILE-LIST interactively unless via dired.
1267 ;; Do not select the buffer.
1268 (find-file-noselect (car file-list
))
1270 ;; We will have to select the buffer. Calculate and check window size.
1271 (setq size
(/ (window-height) (length file-list
)))
1272 (or (<= window-min-height size
)
1273 (error "Too many files to visit simultaneously. Try C-u prefix"))
1274 (find-file (car file-list
)))
1277 (setq file-list
(cdr file-list
))
1282 ;; Do not select the buffer.
1283 (find-file-noselect (car file-list
))
1285 ;; Vertically split off a window of desired size. Upper window will
1286 ;; have SIZE lines. Select lower (larger) window. We split it again.
1287 (select-window (split-window nil size
))
1288 (find-file (car file-list
)))
1291 (setq file-list
(cdr file-list
)))))
1294 ;;; MISCELLANEOUS COMMANDS.
1296 ;;; Run man on files.
1299 "Run man on this file. Display old buffer if buffer name matches filename.
1300 Uses ../lisp/man.el of \\[manual-entry] fame."
1303 (let ((file (dired-get-filename))
1304 (manual-program "nroff -man -h"))
1305 (Man-getpage-in-background file
)))
1307 ;;; Run Info on files.
1309 (defun dired-info ()
1310 "Run info on this file."
1312 (info (dired-get-filename)))
1314 ;;; Run mail on mail folders.
1316 ;;; (and (not (fboundp 'vm-visit-folder))
1317 ;;; (defun vm-visit-folder (file &optional arg)
1320 (defun dired-vm (&optional read-only
)
1321 "Run VM on this file.
1322 With prefix arg, visit folder read-only (this requires at least VM 5).
1323 See also variable `dired-vm-read-only-folders'."
1325 (let ((dir (dired-current-directory))
1326 (fil (dired-get-filename)))
1327 ;; take care to supply 2nd arg only if requested - may still run VM 4!
1328 (cond (read-only (vm-visit-folder fil t
))
1329 ((eq t dired-vm-read-only-folders
) (vm-visit-folder fil t
))
1330 ((null dired-vm-read-only-folders
) (vm-visit-folder fil
))
1331 (t (vm-visit-folder fil
(not (file-writable-p fil
)))))
1332 ;; so that pressing `v' inside VM does prompt within current directory:
1333 (set (make-local-variable 'vm-folder-directory
) dir
)))
1335 (defun dired-rmail ()
1336 "Run RMAIL on this file."
1338 (rmail (dired-get-filename)))
1340 (defun dired-do-run-mail ()
1341 "If `dired-bind-vm' is t, then function `dired-vm', otherwise `dired-rmail'."
1344 ;; Read mail folder using vm.
1346 ;; Read mail folder using rmail.
1350 ;;; MISCELLANEOUS INTERNAL FUNCTIONS.
1352 (or (fboundp 'dired-old-find-buffer-nocreate
)
1353 (fset 'dired-old-find-buffer-nocreate
1354 (symbol-function 'dired-find-buffer-nocreate
)))
1357 ;;; Redefines dired.el's version of `dired-find-buffer-nocreate'
1358 (defun dired-find-buffer-nocreate (dirname &optional mode
)
1359 (if (and dired-find-subdir
1360 ;; don't try to find a wildcard as a subdirectory
1361 (string-equal dirname
(file-name-directory dirname
)))
1362 (let* ((cur-buf (current-buffer))
1364 (dired-buffers-for-dir (expand-file-name dirname
))))
1365 (cur-buf-matches (and (memq cur-buf buffers
)
1366 ;; wildcards must match, too:
1367 (equal dired-directory dirname
))))
1368 ;; We don't want to switch to the same buffer---
1369 (setq buffers
(delq cur-buf buffers
));;need setq with delq
1370 (or (car (sort buffers
(function dired-buffer-more-recently-used-p
)))
1371 ;; ---unless it's the only possibility:
1372 (and cur-buf-matches cur-buf
)))
1373 (dired-old-find-buffer-nocreate dirname mode
)))
1375 ;; This should be a builtin
1376 (defun dired-buffer-more-recently-used-p (buffer1 buffer2
)
1377 "Return t if BUFFER1 is more recently used than BUFFER2."
1378 (if (equal buffer1 buffer2
)
1380 (let ((more-recent nil
)
1381 (list (buffer-list)))
1383 (not (setq more-recent
(equal buffer1
(car list
))))
1384 (not (equal buffer2
(car list
))))
1385 (setq list
(cdr list
)))
1388 ;;; Same thing as `dired-buffers-for-dir' of dired.el? - lrd 11/23/93
1389 ;;; (defun dired-buffers-for-dir-exact (dir)
1390 ;;; ;; Return a list of buffers that dired DIR (a directory or wildcard)
1391 ;;; ;; at top level, or as subdirectory.
1392 ;;; ;; Top level matches must match the wildcard part too, if any.
1393 ;;; ;; The list is in reverse order of buffer creation, most recent last.
1394 ;;; ;; As a side effect, killed dired buffers for DIR are removed from
1395 ;;; ;; dired-buffers.
1396 ;;; (let ((alist dired-buffers) result elt)
1398 ;;; (setq elt (car alist)
1399 ;;; alist (cdr alist))
1400 ;;; (let ((buf (cdr elt)))
1401 ;;; (if (buffer-name buf)
1402 ;;; ;; Top level must match exactly against dired-directory in
1403 ;;; ;; case one of them is a wildcard.
1404 ;;; (if (or (equal dir (save-excursion (set-buffer buf)
1405 ;;; dired-directory))
1406 ;;; (assoc dir (save-excursion (set-buffer buf)
1407 ;;; dired-subdir-alist)))
1408 ;;; (setq result (cons buf result)))
1409 ;;; ;; else buffer is killed - clean up:
1410 ;;; (setq dired-buffers (delq elt dired-buffers)))))
1414 ;;; Redefines dired.el's version of `dired-initial-position'
1415 (defun dired-initial-position (dirname)
1416 "Where point should go in a new listing of DIRNAME.
1417 Point assumed at beginning of new subdir line.
1418 You may redefine this function as you wish, e.g. like in dired-x.el."
1420 (if dired-find-subdir
(dired-goto-subdir dirname
)) ; new
1421 (if dired-trivial-filenames
(dired-goto-next-nontrivial-file)))
1424 ;; Does anyone use this? - lrd 6/29/93.
1425 ;; Apparently people do use it. - lrd 12/22/97.
1426 (defun dired-mark-sexp (predicate &optional unflag-p
)
1427 "Mark files for which PREDICATE returns non-nil.
1428 With a prefix arg, unflag those files instead.
1430 PREDICATE is a lisp expression that can refer to the following symbols:
1432 inode [integer] the inode of the file (only for ls -i output)
1433 s [integer] the size of the file for ls -s output
1434 (usually in blocks or, with -k, in KByte)
1435 mode [string] file permission bits, e.g. \"-rw-r--r--\"
1436 nlink [integer] number of links to file
1438 gid [string] group (If the gid is not displayed by ls,
1439 this will still be set (to the same as uid))
1440 size [integer] file size in bytes
1441 time [string] the time that ls displays, e.g. \"Feb 12 14:17\"
1442 name [string] the name of the file
1443 sym [string] if file is a symbolic link, the linked-to name, else \"\"
1449 to mark all zero length files."
1450 ;; Using sym="" instead of nil avoids the trap of
1451 ;; (string-match "foo" sym) into which a user would soon fall.
1452 ;; Give `equal' instead of `=' in the example, as this works on
1453 ;; integers and strings.
1454 (interactive "xMark if (lisp expr): \nP")
1455 (message "%s" predicate
)
1456 (let ((dired-marker-char (if unflag-p ?
\040 dired-marker-char
))
1457 inode s mode nlink uid gid size time name sym
)
1462 ;; inode s mode nlink uid gid size time name sym
1464 ;; according to current file line. Returns t for success, nil if
1465 ;; there is no file line. Upon success, all variables are set, either
1466 ;; to nil or the appropriate value, so they need not be initialized.
1467 ;; Moves point within the current line.
1468 (if (dired-move-to-filename)
1470 (mode-len 10) ; length of mode string
1471 ;; like in dired.el, but with subexpressions \1=inode, \2=s:
1472 (dired-re-inode-size "\\s *\\([0-9]*\\)\\s *\\([0-9]*\\) ?"))
1475 (if (looking-at dired-re-inode-size
)
1477 (goto-char (match-end 0))
1478 (setq inode
(string-to-int (buffer-substring (match-beginning 1)
1480 s
(string-to-int (buffer-substring (match-beginning 2)
1484 (setq mode
(buffer-substring (point) (+ mode-len
(point))))
1485 (forward-char mode-len
)
1486 (setq nlink
(read (current-buffer)))
1487 ;; Karsten Wenger <kw@cis.uni-muenchen.de> fixed uid.
1488 (setq uid
(buffer-substring (+ (point) 1)
1489 (progn (forward-word 1) (point))))
1490 (re-search-forward "\\(Jan\\|Feb\\|Mar\\|Apr\\|May\\|Jun\\|\
1491 Jul\\|Aug\\|Sep\\|Oct\\|Nov\\|Dec\\)")
1492 (goto-char (match-beginning 1))
1494 (setq size
(string-to-int (buffer-substring (save-excursion
1500 ;; if no gid is displayed, gid will be set to uid
1501 ;; but user will then not reference it anyway in PREDICATE.
1502 (setq gid
(buffer-substring (save-excursion
1503 (forward-word 1) (point))
1505 time
(buffer-substring (match-beginning 1)
1506 (1- (dired-move-to-filename)))
1507 name
(buffer-substring (point)
1509 (dired-move-to-end-of-filename t
)
1512 (if (looking-at " -> ")
1514 (progn (forward-char 4) (point))
1515 (progn (end-of-line) (point)))
1520 (format "'%s file" predicate
))))
1523 ;;; FIND FILE AT POINT.
1525 (defvar dired-x-hands-off-my-keys t
1526 "*Non-nil means don't bind `dired-x-find-file' over `find-file' on keyboard.
1527 Similarly for `dired-x-find-file-other-window' over `find-file-other-window'.
1528 If you change this variable after dired-x.el is loaded then do
1529 \\[dired-x-bind-find-file].")
1531 ;;; Bind `dired-x-find-file{-other-window}' over wherever
1532 ;;; `find-file{-other-window}' is bound?
1533 (defun dired-x-bind-find-file ()
1534 "Bind `dired-x-find-file' in place of `find-file' \(or reverse\).
1535 Similarly for `dired-x-find-file-other-window' and `find-file-other-window'.
1536 Binding direction based on `dired-x-hands-off-my-keys'.
1537 This function part of `after-init-hook'."
1540 (setq dired-x-hands-off-my-keys
1541 (not (y-or-n-p "Bind dired-x-find-file over find-file? "))))
1542 (cond ((not dired-x-hands-off-my-keys
)
1543 (substitute-key-definition 'find-file
1545 (current-global-map))
1546 (substitute-key-definition 'find-file-other-window
1547 'dired-x-find-file-other-window
1548 (current-global-map)))
1550 (substitute-key-definition 'dired-x-find-file
1552 (current-global-map))
1553 (substitute-key-definition 'dired-x-find-file-other-window
1554 'find-file-other-window
1555 (current-global-map))))
1556 ;; Clear mini-buffer.
1559 ;;; Now call it so binding is correct and put on `after-init-hook' in case
1560 ;;; user changes binding.
1561 (dired-x-bind-find-file)
1562 (add-hook 'after-init-hook
'dired-x-bind-find-file
)
1564 (defun dired-x-find-file (filename)
1565 "Edit file FILENAME.
1566 May create a new window, or reuse an existing one.
1567 See the function `display-buffer'.
1569 Identical to `find-file' except when called interactively, with a prefix arg
1570 \(e.g., \\[universal-argument]\), in which case it guesses filename near
1571 point. Useful for editing file mentioned in buffer you are viewing, or to
1572 test if that file exists. Use minibuffer after snatching filename."
1573 (interactive (list (read-filename-at-point "Find file: ")))
1574 (find-file (expand-file-name filename
)))
1576 (defun dired-x-find-file-other-window (filename)
1577 "Edit file FILENAME, in another window.
1578 May create a new window, or reuse an existing one.
1579 See the function `display-buffer'.
1581 Identical to `find-file-other-window' except when called interactively, with a
1582 prefix arg \(e.g., \\[universal-argument]\), in which case it guesses filename
1583 near point. Useful for editing file mentioned in buffer you are viewing, or
1584 to test if that file exists. Use minibuffer after snatching filename."
1585 (interactive (list (read-filename-at-point "Find file: ")))
1586 (find-file-other-window (expand-file-name filename
)))
1588 ;;; Internal functions.
1589 (defun dired-filename-at-point ()
1591 "Get the filename closest to point, but do not change position.
1592 Has a preference for looking backward when not directly on a symbol. Not
1593 perfect - point must be in middle of or end of filename."
1595 (let ((filename-chars ".a-zA-Z0-9---_/:$+@") ; fixme: allow non-ASCII
1596 (bol (save-excursion (beginning-of-line) (point)))
1597 (eol (save-excursion (end-of-line) (point)))
1598 start end filename prefix
)
1601 ;; First see if just past a filename.
1603 (if (looking-at "[] \t\n[{}()]") ; whitespace or some parens
1605 (skip-chars-backward " \n\t\r({[]})")
1607 (backward-char 1)))))
1609 (if (string-match (concat "[" filename-chars
"]")
1610 (char-to-string (following-char)))
1612 (skip-chars-backward filename-chars
)
1613 (setq start
(point))
1615 (and (string-match "^\\w+@"
1616 (buffer-substring start eol
))
1619 (if (string-match "[/~]" (char-to-string (preceding-char)))
1620 (setq start
(1- start
)))
1621 (skip-chars-forward filename-chars
))
1623 (error "No file found around point!"))
1626 (expand-file-name (concat prefix
(buffer-substring start
(point)))))))
1628 (defun read-filename-at-point (prompt)
1629 "Return filename prompting with PROMPT with completion.
1630 If `current-prefix-arg' is non-nil, uses name at point as guess."
1631 (if current-prefix-arg
1632 (let ((guess (dired-filename-at-point)))
1633 (read-file-name prompt
1634 (file-name-directory guess
)
1636 nil
(file-name-nondirectory guess
)))
1637 (read-file-name prompt default-directory
)))
1641 ;; Fixme: get rid of this later.
1643 ;;; This section is provided for reports. It uses Barry A. Warsaw's
1644 ;;; reporter.el which is bundled with GNU Emacs v19.
1646 (defconst dired-x-help-address
"bug-gnu-emacs@gnu.org"
1647 "Address(es) accepting submission of reports on dired-x.el.")
1649 (defconst dired-x-variable-list
1652 'dired-vm-read-only-folders
1657 'dired-enable-local-variables
1658 'dired-local-variables-file
1659 'dired-guess-shell-gnutar
1660 'dired-guess-shell-gzip-quiet
1661 'dired-guess-shell-znew-switches
1662 'dired-guess-shell-alist-user
1663 'dired-clean-up-buffers-too
1666 'dired-omit-extensions
1668 "List of variables to be appended to reports sent by `dired-x-submit-report'.")
1670 (defun dired-x-submit-report ()
1671 "Submit via reporter.el a bug report on program.
1672 Send report on `dired-x-file' version `dired-x-version,' to
1673 `dired-x-maintainer' at address `dired-x-help-address' listing
1674 variables `dired-x-variable-list' in the message."
1677 (reporter-submit-bug-report
1678 dired-x-help-address
; address
1680 dired-x-variable-list
; varlist
1681 nil nil
; pre-/post-hooks
1685 ;; As Barry Warsaw would say: "This might be useful..."
1688 ;;; dired-x.el ends here