-;;; dired-aux.el --- all of dired except what people usually use
+;;; dired-aux.el --- less commonly used parts of dired -*-byte-compile-dynamic: t;-*-
-;; Copyright (C) 1985, 1986, 1992 Free Software Foundation, Inc.
+;; Copyright (C) 1985, 1986, 1992, 1994 Free Software Foundation, Inc.
;; Author: Sebastian Kremer <sk@thp.uni-koeln.de>.
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
-;; along with GNU Emacs; see the file COPYING. If not, write to
-;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+;; along with GNU Emacs; see the file COPYING. If not, write to the
+;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+;; Boston, MA 02111-1307, USA.
;;; Commentary:
(defun dired-diff (file &optional switches)
"Compare file at point with file FILE using `diff'.
FILE defaults to the file at the mark.
-The prompted-for file is the first file given to `diff'."
+The prompted-for file is the first file given to `diff'.
+With prefix arg, prompt for second argument SWITCHES,
+ which is options for `diff'."
(interactive
- (let ((default (if (mark)
- (save-excursion (goto-char (mark))
+ (let ((default (if (mark t)
+ (save-excursion (goto-char (mark t))
(dired-get-filename t t)))))
+ (require 'diff)
(list (read-file-name (format "Diff %s with: %s"
(dired-get-filename t)
(if default
(concat "(default " default ") ")
""))
(dired-current-directory) default t)
- (if (fboundp 'diff-read-switches)
- (diff-read-switches "Options for diff: ")))))
- (if switches ; Emacs 19's diff has but two
- (diff file (dired-get-filename t) switches) ; args (yet ;-)
- (diff file (dired-get-filename t))))
+ (if current-prefix-arg
+ (read-string "Options for diff: "
+ (if (stringp diff-switches)
+ diff-switches
+ (mapconcat 'identity diff-switches " ")))))))
+ (diff file (dired-get-filename t) switches))
;;;###autoload
(defun dired-backup-diff (&optional switches)
"Diff this file with its backup file or vice versa.
Uses the latest backup, if there are several numerical backups.
If this file is a backup, diff it with its original.
-The backup file is the first file given to `diff'."
- (interactive (list (if (fboundp 'diff-read-switches)
- (diff-read-switches "Diff with switches: "))))
- (if switches
- (diff-backup (dired-get-filename) switches)
- (diff-backup (dired-get-filename))))
+The backup file is the first file given to `diff'.
+With prefix arg, prompt for argument SWITCHES which is options for `diff'."
+ (interactive
+ (if current-prefix-arg
+ (list (read-string "Options for diff: "
+ (if (stringp diff-switches)
+ diff-switches
+ (mapconcat 'identity diff-switches " "))))
+ nil))
+ (diff-backup (dired-get-filename) switches))
(defun dired-do-chxxx (attribute-name program op-symbol arg)
;; Change file attributes (mode, group, owner) of marked files and
"Change the mode of the marked (or next ARG) files.
This calls chmod, thus symbolic modes like `g+w' are allowed."
(interactive "P")
- (dired-do-chxxx "Mode" "chmod" 'chmod arg))
+ (dired-do-chxxx "Mode" dired-chmod-program 'chmod arg))
;;;###autoload
(defun dired-do-chgrp (&optional arg)
"Change the group of the marked (or next ARG) files."
(interactive "P")
+ (if (memq system-type '(ms-dos windows-nt))
+ (error "chgrp not supported on this system."))
(dired-do-chxxx "Group" "chgrp" 'chgrp arg))
;;;###autoload
(defun dired-do-chown (&optional arg)
"Change the owner of the marked (or next ARG) files."
(interactive "P")
+ (if (memq system-type '(ms-dos windows-nt))
+ (error "chown not supported on this system."))
(dired-do-chxxx "Owner" dired-chown-program 'chown arg))
;; Process all the files in FILES in batches of a convenient size,
(let* ((file-list (dired-get-marked-files t arg))
(command (dired-mark-read-string
"Print %s with: "
- (apply 'concat lpr-command " " lpr-switches)
+ (mapconcat 'identity
+ (cons lpr-command
+ (if (stringp lpr-switches)
+ (list lpr-switches)
+ lpr-switches))
+ " ")
'print arg file-list)))
(dired-run-shell-command (dired-shell-stuff-it command file-list nil))))
(forward-line 1)))))
(defun dired-collect-file-versions (fn)
- ;; "If it looks like file FN has versions, return a list of the versions.
- ;;That is a list of strings which are file names.
- ;;The caller may want to flag some of these files for deletion."
- (let* ((base-versions
- (concat (file-name-nondirectory fn) ".~"))
- (bv-length (length base-versions))
- (possibilities (file-name-all-completions
- base-versions
- (file-name-directory fn)))
- (versions (mapcar 'backup-extract-version possibilities)))
- (if versions
- (setq dired-file-version-alist (cons (cons fn versions)
- dired-file-version-alist)))))
+ (let ((fn (file-name-sans-versions fn)))
+ ;; Only do work if this file is not already in the alist.
+ (if (assoc fn dired-file-version-alist)
+ nil
+ ;; If it looks like file FN has versions, return a list of the versions.
+ ;;That is a list of strings which are file names.
+ ;;The caller may want to flag some of these files for deletion.
+ (let* ((base-versions
+ (concat (file-name-nondirectory fn) ".~"))
+ (bv-length (length base-versions))
+ (possibilities (file-name-all-completions
+ base-versions
+ (file-name-directory fn)))
+ (versions (mapcar 'backup-extract-version possibilities)))
+ (if versions
+ (setq dired-file-version-alist
+ (cons (cons fn versions)
+ dired-file-version-alist)))))))
(defun dired-trample-file-versions (fn)
(let* ((start-vn (string-match "\\.~[0-9]+~$" fn))
(defun dired-shell-quote (filename)
"Quote a file name for inferior shell (see variable `shell-file-name')."
;; Quote everything except POSIX filename characters.
- ;; This should be safe enough even for really wierd shells.
+ ;; This should be safe enough even for really weird shells.
(let ((result "") (start 0) end)
- (while (string-match "[^---0-9a-zA-Z_./]" filename start)
+ (while (string-match "[^-0-9a-zA-Z_./]" filename start)
(setq end (match-beginning 0)
result (concat result (substring filename start end)
"\\" (substring filename end (1+ end)))
(dired-mark-pop-up
nil 'shell files
(function read-string)
- (format prompt (dired-mark-prompt arg files))))
+ (format prompt (dired-mark-prompt arg files))
+ nil 'shell-command-history))
;; The in-background argument is only needed in Emacs 18 where
;; shell-command doesn't understand an appended ampersand `&'.
(from-file (dired-get-filename))
(new-file (dired-compress-file from-file)))
(if new-file
- (progn (dired-update-file-line new-file) nil)
+ (let ((start (point)))
+ ;; Remove any preexisting entry for the name NEW-FILE.
+ (condition-case nil
+ (dired-remove-entry new-file)
+ (error nil))
+ (goto-char start)
+ ;; Now replace the current line with an entry for NEW-FILE.
+ (dired-update-file-line new-file) nil)
(dired-log (concat "Failed to compress" from-file))
from-file)))
+;;;###autoload
(defun dired-compress-file (file)
;; Compress or uncompress FILE.
;; Return the name of the compressed or uncompressed file.
- ;; Rerurn nil if no change in files.
- (let ((handler (find-file-name-handler file)))
+ ;; Return nil if no change in files.
+ (let ((handler (find-file-name-handler file 'dired-compress-file)))
(cond (handler
(funcall handler 'dired-compress-file file))
((file-symlink-p file)
nil)
- ((string-match "\\.Z$" file)
- (if (dired-check-process (concat "Uncompressing " file)
- "uncompress" file)
+ ((let (case-fold-search)
+ (string-match "\\.Z$" file))
+ (if (not (dired-check-process (concat "Uncompressing " file)
+ "uncompress" file))
+ (substring file 0 -2)))
+ ((let (case-fold-search)
+ (string-match "\\.gz$" file))
+ (if (not (dired-check-process (concat "Uncompressing " file)
+ "gunzip" file))
+ (substring file 0 -3)))
+ ;; For .z, try gunzip. It might be an old gzip file,
+ ;; or it might be from compact? pack? (which?) but gunzip handles
+ ;; both.
+ ((let (case-fold-search)
+ (string-match "\\.z$" file))
+ (if (not (dired-check-process (concat "Uncompressing " file)
+ "gunzip" file))
(substring file 0 -2)))
(t
- (if (dired-check-process (concat "Compressing " file)
- "compress" "-f" file)
- (concat name ".Z"))))))
+ ;;; Try gzip; if we don't have that, use compress.
+ (condition-case nil
+ (if (not (dired-check-process (concat "Compressing " file)
+ "gzip" "-f" file))
+ (cond ((file-exists-p (concat file ".gz"))
+ (concat file ".gz"))
+ (t (concat file ".z"))))
+ (file-error
+ (if (not (dired-check-process (concat "Compressing " file)
+ "compress" "-f" file))
+ (concat file ".Z"))))))))
\f
(defun dired-mark-confirm (op-symbol arg)
;; Request confirmation from the user that the operation described
(defun dired-byte-compile ()
;; Return nil for success, offending file name else.
(let* ((filename (dired-get-filename))
- (elc-file
- (if (eq system-type 'vax-vms)
- (concat (substring filename 0 (string-match ";" filename)) "c")
- (concat filename "c")))
- buffer-read-only failure)
+ elc-file buffer-read-only failure)
(condition-case err
(save-excursion (byte-compile-file filename))
(error
(setq failure err)))
+ (setq elc-file (byte-compile-dest-file filename))
+ (or (file-exists-p elc-file)
+ (setq failure t))
(if failure
(progn
(dired-log "Byte compile error for %s:\n%s\n" filename failure)
(if arg (read-string "Switches for listing: " dired-actual-switches)))
(message "Redisplaying...")
;; message much faster than making dired-map-over-marks show progress
+ (dired-uncache
+ (if (consp dired-directory) (car dired-directory) dired-directory))
(dired-map-over-marks (let ((fname (dired-get-filename)))
(message "Redisplaying... %s" fname)
(dired-update-file-line fname))
(defun dired-fun-in-all-buffers (directory fun &rest args)
;; In all buffers dired'ing DIRECTORY, run FUN with ARGS.
;; Return list of buffers where FUN succeeded (i.e., returned non-nil).
- (let ((buf-list (dired-buffers-for-dir directory))
+ (let ((buf-list (dired-buffers-for-dir (expand-file-name directory)))
(obuf (current-buffer))
buf success-list)
(while buf-list
(set-buffer obuf)))
success-list))
+;;;###autoload
(defun dired-add-file (filename &optional marker-char)
(dired-fun-in-all-buffers
(file-name-directory filename)
;; Entry is always for files, even if they happen to also be directories
(let ((opoint (point))
(cur-dir (dired-current-directory))
+ (orig-file-name filename)
(directory (file-name-directory filename))
reason)
(setq filename (file-name-nondirectory filename)
(dired-goto-next-nontrivial-file))
;; not found
(throw 'not-found "Subdir not found")))
- ;; found and point is at The Right Place:
- (let (buffer-read-only)
+ (let (buffer-read-only opoint)
(beginning-of-line)
+ (setq opoint (point))
(dired-add-entry-do-indentation marker-char)
- ;; don't expand `.' !
- (insert-directory (dired-make-absolute filename directory)
- (concat dired-actual-switches "d"))
+ ;; don't expand `.'. Show just the file name within directory.
+ (let ((default-directory directory))
+ (insert-directory filename
+ (concat dired-actual-switches "d")))
+ ;; Compensate for a bug in ange-ftp.
+ ;; It inserts the file's absolute name, rather than
+ ;; the relative one. That may be hard to fix since it
+ ;; is probably controlled by something in ftp.
+ (goto-char opoint)
+ (let ((inserted-name (dired-get-filename 'no-dir)))
+ (if (file-name-directory inserted-name)
+ (progn
+ (end-of-line)
+ (delete-char (- (length inserted-name)))
+ (insert filename)
+ (forward-char 1))
+ (forward-line 1)))
+ ;; Give each line a text property recording info about it.
+ (dired-insert-set-properties opoint (point))
(forward-line -1)
- ;; We want to have the non-directory part, only:
- (let* ((beg (dired-move-to-filename t)) ; error for strange output
- (end (dired-move-to-end-of-filename)))
- (setq filename (buffer-substring beg end))
- (delete-region beg end)
- (insert (file-name-nondirectory filename)))
(if dired-after-readin-hook;; the subdir-alist is not affected...
(save-excursion;; ...so we can run it right now:
(save-restriction
nil))
(if reason ; don't move away on failure
(goto-char opoint))
- (not reason))) ; return t on succes, nil else
+ (not reason))) ; return t on success, nil else
;; This is a separate function for the sake of nested dired format.
(defun dired-add-entry-do-indentation (marker-char)
(forward-line 1))
(point)))
+;;;###autoload
(defun dired-remove-file (file)
(dired-fun-in-all-buffers
(file-name-directory file) (function dired-remove-entry) file))
(delete-region (progn (beginning-of-line) (point))
(save-excursion (forward-line 1) (point)))))))
+;;;###autoload
(defun dired-relist-file (file)
(dired-fun-in-all-buffers (file-name-directory file)
(function dired-relist-entry) file))
(rename-file to backup 0) ; confirm overwrite of old backup
(dired-relist-entry backup))))
+;;;###autoload
(defun dired-copy-file (from to ok-flag)
(dired-handle-overwrite to)
(copy-file from to ok-flag dired-copy-preserve-time))
+;;;###autoload
(defun dired-rename-file (from to ok-flag)
(dired-handle-overwrite to)
(rename-file from to ok-flag) ; error is caught in -create-files
(dired-fun-in-all-buffers from-dir
(function dired-rename-subdir-1) from-dir to-dir)
;; Update visited file name of all affected buffers
- (let ((blist (buffer-list)))
+ (let ((expanded-from-dir (expand-file-name from-dir))
+ (blist (buffer-list)))
(while blist
(save-excursion
- (set-buffer (car blist))
+ (set-buffer (car blist))
(if (and buffer-file-name
- (dired-in-this-tree buffer-file-name from-dir))
+ (dired-in-this-tree buffer-file-name expanded-from-dir))
(let ((modflag (buffer-modified-p))
(to-file (dired-replace-in-string
(concat "^" (regexp-quote from-dir))
(defun dired-rename-subdir-1 (dir to)
;; Rename DIR to TO in headerlines and dired-subdir-alist, if DIR or
;; one of its subdirectories is expanded in this buffer.
- (let ((alist dired-subdir-alist)
+ (let ((expanded-dir (expand-file-name dir))
+ (alist dired-subdir-alist)
(elt nil))
(while alist
(setq elt (car alist)
alist (cdr alist))
- (if (dired-in-this-tree (car elt) dir)
+ (if (dired-in-this-tree (car elt) expanded-dir)
;; ELT's subdir is affected by the rename
(dired-rename-subdir-2 elt dir to)))
(if (equal dir default-directory)
(dired-normalize-subdir
(dired-replace-in-string regexp newtext (car elt)))))))
\f
-;; Cloning replace-match to work on strings instead of in buffer:
-;; The FIXEDCASE parameter of replace-match is not implemented.
-;;;###autoload
-(defun dired-string-replace-match (regexp string newtext
- &optional literal global)
- "Replace first match of REGEXP in STRING with NEWTEXT.
-If it does not match, nil is returned instead of the new string.
-Optional arg LITERAL means to take NEWTEXT literally.
-Optional arg GLOBAL means to replace all matches."
- (if global
- (let ((result "") (start 0) mb me)
- (while (string-match regexp string start)
- (setq mb (match-beginning 0)
- me (match-end 0)
- result (concat result
- (substring string start mb)
- (if literal
- newtext
- (dired-expand-newtext string newtext)))
- start me))
- (if mb ; matched at least once
- (concat result (substring string start))
- nil))
- ;; not GLOBAL
- (if (not (string-match regexp string 0))
- nil
- (concat (substring string 0 (match-beginning 0))
- (if literal newtext (dired-expand-newtext string newtext))
- (substring string (match-end 0))))))
-
-(defun dired-expand-newtext (string newtext)
- ;; Expand \& and \1..\9 (referring to STRING) in NEWTEXT, using match data.
- ;; Note that in Emacs 18 match data are clipped to current buffer
- ;; size...so the buffer should better not be smaller than STRING.
- (let ((pos 0)
- (len (length newtext))
- (expanded-newtext ""))
- (while (< pos len)
- (setq expanded-newtext
- (concat expanded-newtext
- (let ((c (aref newtext pos)))
- (if (= ?\\ c)
- (cond ((= ?\& (setq c
- (aref newtext
- (setq pos (1+ pos)))))
- (substring string
- (match-beginning 0)
- (match-end 0)))
- ((and (>= c ?1) (<= c ?9))
- ;; return empty string if N'th
- ;; sub-regexp did not match:
- (let ((n (- c ?0)))
- (if (match-beginning n)
- (substring string
- (match-beginning n)
- (match-end n))
- "")))
- (t
- (char-to-string c)))
- (char-to-string c)))))
- (setq pos (1+ pos)))
- expanded-newtext))
-\f
;; The basic function for half a dozen variations on cp/mv/ln/ln -s.
(defun dired-create-files (file-creator operation fn-list name-constructor
&optional marker-char)
;; which will be added. The user will be queried if the file already
;; exists. If oldfile is removed by FILE-CREATOR (i.e, it is a
;; rename), it is FILE-CREATOR's responsibility to update dired
-;; buffers. FILE-CREATOR must abort by signalling a file-error if it
+;; buffers. FILE-CREATOR must abort by signaling a file-error if it
;; could not create newfile. The error is caught and logged.
;; OPERATION (a capitalized string, e.g. `Copy') describes the
;; the new files. Target may be a plain file if only one marked
;; file exists.
;; OP-SYMBOL is the symbol for the operation. Function `dired-mark-pop-up'
- ;; will determine wether pop-ups are appropriate for this OP-SYMBOL.
+ ;; will determine whether pop-ups are appropriate for this OP-SYMBOL.
;; FILE-CREATOR and OPERATION as in dired-create-files.
;; ARG as in dired-get-marked-files.
;; Optional arg OP1 is an alternate form for OPERATION if there is
"Copy all marked (or next ARG) files, or copy the current file.
This normally preserves the last-modified date when copying.
When operating on just the current file, you specify the new name.
-When operating on multiple or marked files, you specify a directory
-and new symbolic links are made in that directory
+When operating on multiple or marked files, you specify a directory,
+and new copies of these files are made in that directory
with the same names that the files currently have."
(interactive "P")
(dired-do-create-files 'copy (function dired-copy-file)
(defun dired-insert-subdir-validate (dirname &optional switches)
;; Check that it is valid to insert DIRNAME with SWITCHES.
;; Signal an error if invalid (e.g. user typed `i' on `..').
- (or (dired-in-this-tree dirname default-directory)
+ (or (dired-in-this-tree dirname (expand-file-name default-directory))
(error "%s: not in this directory tree" dirname))
(if switches
(let (case-fold-search)
;;"Kill all proper subdirs of DIRNAME, excluding DIRNAME itself.
;; With optional arg REMEMBER-MARKS, return an alist of marked files."
(interactive "DKill tree below directory: ")
+ (setq dirname (expand-file-name dirname))
(let ((s-alist dired-subdir-alist) dir m-alist)
(while s-alist
(setq dir (car (car s-alist))
(if (equal dirname (car (car (reverse dired-subdir-alist))))
;; top level directory may contain wildcards:
(dired-readin-insert dired-directory)
- (insert-directory dirname dired-actual-switches nil t)))
+ (let ((opoint (point)))
+ (insert-directory dirname dired-actual-switches nil t)
+ (dired-insert-set-properties opoint (point)))))
(message "Reading directory %s...done" dirname)
(setq end (point-marker))
(indent-rigidly begin end 2)
;;;###autoload
(defun dired-mark-subdir-files ()
"Mark all files except `.' and `..'."
- (interactive "P")
+ (interactive)
(let ((p-min (dired-subdir-min)))
(dired-mark-files-in-region p-min (dired-subdir-max))))
;;;###end dired-ins.el
+\f
+;; Functions for searching in tags style among marked files.
+
+;;;###autoload
+(defun dired-do-search (regexp)
+ "Search through all marked files for a match for REGEXP.
+Stops when a match is found.
+To continue searching for next match, use command \\[tags-loop-continue]."
+ (interactive "sSearch marked files (regexp): ")
+ (tags-search regexp '(dired-get-marked-files)))
+
+;;;###autoload
+(defun dired-do-query-replace (from to &optional delimited)
+ "Do `query-replace-regexp' of FROM with TO, on all marked files.
+Third arg DELIMITED (prefix arg) means replace only word-delimited matches.
+If you exit (\\[keyboard-quit] or ESC), you can resume the query replace
+with the command \\[tags-loop-continue]."
+ (interactive
+ "sQuery replace in marked files (regexp): \nsQuery replace %s by: \nP")
+ (tags-query-replace from to delimited '(dired-get-marked-files)))
+\f
+
+(provide 'dired-aux)
+
;;; dired-aux.el ends here
HCoop / bpt / emacs.git / blobdiff