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dired.el
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Lisp/Scheme
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1991-12-02
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22KB
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630 lines
;;; Missing: P command, sorting, setting file modes.
;;; Dired buffer containing multiple directories gets totally confused
;;; Implement insertion of subdirectories in situ --- tree dired
;; DIRED commands for Emacs
;; Copyright (C) 1985, 1986 Free Software Foundation, Inc.
;; This file is part of GNU Emacs.
;; GNU Emacs is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 1, or (at your option)
;; any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; 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.
;In loaddefs.el
;(defvar dired-listing-switches "-al"
; "Switches passed to ls for dired. MUST contain the 'l' option.
;CANNOT contain the 'F' option.")
(defun dired-readin (dirname buffer)
(save-excursion
(message "Reading directory %s..." dirname)
(set-buffer buffer)
(let ((buffer-read-only nil))
(widen)
(erase-buffer)
(setq dirname (expand-file-name dirname))
(if (file-directory-p dirname)
(call-process "/bin/bin/ls.ttp" nil buffer nil
dired-listing-switches dirname)
(let ((default-directory (file-name-directory dirname)))
(call-process shell-file-name nil buffer nil
"-c" (concat "/bin/bin/ls.ttp " dired-listing-switches " "
(file-name-nondirectory dirname)))))
(goto-char (point-min))
(while (not (eobp))
(insert " ")
(forward-line 1))
(goto-char (point-min)))
(message "Reading directory %s...done" dirname)))
(defun dired-find-buffer (dirname)
(let ((blist (buffer-list))
found)
(while blist
(save-excursion
(set-buffer (car blist))
(if (and (eq major-mode 'dired-mode)
(equal dired-directory dirname))
(setq found (car blist)
blist nil)
(setq blist (cdr blist)))))
(or found
(create-file-buffer (directory-file-name dirname)))))
(defun dired (dirname)
"\"Edit\" directory DIRNAME--delete, rename, print, etc. some files in it.
Dired displays a list of files in DIRNAME.
You can move around in it with the usual commands.
You can flag files for deletion with C-d
and then delete them by typing `x'.
Type `h' after entering dired for more info."
(interactive (list (read-file-name "Dired (directory): "
nil default-directory nil)))
(switch-to-buffer (dired-noselect dirname)))
(defun dired-other-window (dirname)
"\"Edit\" directory DIRNAME. Like M-x dired but selects in another window."
(interactive (list (read-file-name "Dired in other window (directory): "
nil default-directory nil)))
(switch-to-buffer-other-window (dired-noselect dirname)))
(defun dired-noselect (dirname)
"Like M-x dired but returns the dired buffer as value, does not select it."
(or dirname (setq dirname default-directory))
(setq dirname (expand-file-name (directory-file-name dirname)))
(if (file-directory-p dirname)
(setq dirname (file-name-as-directory dirname)))
(let ((buffer (dired-find-buffer dirname)))
(save-excursion
(set-buffer buffer)
(dired-readin dirname buffer)
(dired-move-to-filename)
(dired-mode dirname))
buffer))
(defun dired-revert (&optional arg noconfirm)
(let ((opoint (point))
(ofile (dired-get-filename t t))
(buffer-read-only nil))
(erase-buffer)
(dired-readin dired-directory (current-buffer))
(or (and ofile (re-search-forward (concat " " (regexp-quote ofile) "$")
nil t))
(goto-char opoint))
(beginning-of-line)))
(defvar dired-mode-map nil "Local keymap for dired-mode buffers.")
(if dired-mode-map
nil
(setq dired-mode-map (make-keymap))
(suppress-keymap dired-mode-map)
(define-key dired-mode-map "r" 'dired-rename-file)
(define-key dired-mode-map "\C-d" 'dired-flag-file-deleted)
(define-key dired-mode-map "d" 'dired-flag-file-deleted)
(define-key dired-mode-map "v" 'dired-view-file)
(define-key dired-mode-map "e" 'dired-find-file)
(define-key dired-mode-map "f" 'dired-find-file)
(define-key dired-mode-map "o" 'dired-find-file-other-window)
(define-key dired-mode-map "u" 'dired-unflag)
(define-key dired-mode-map "x" 'dired-do-deletions)
(define-key dired-mode-map "\177" 'dired-backup-unflag)
(define-key dired-mode-map "?" 'dired-summary)
(define-key dired-mode-map "c" 'dired-copy-file)
(define-key dired-mode-map "#" 'dired-flag-auto-save-files)
(define-key dired-mode-map "~" 'dired-flag-backup-files)
(define-key dired-mode-map "." 'dired-clean-directory)
(define-key dired-mode-map "h" 'describe-mode)
(define-key dired-mode-map " " 'dired-next-line)
(define-key dired-mode-map "\C-n" 'dired-next-line)
(define-key dired-mode-map "\C-p" 'dired-previous-line)
(define-key dired-mode-map "n" 'dired-next-line)
(define-key dired-mode-map "p" 'dired-previous-line)
(define-key dired-mode-map "g" 'revert-buffer)
(define-key dired-mode-map "C" 'dired-compress)
(define-key dired-mode-map "U" 'dired-uncompress)
(define-key dired-mode-map "B" 'dired-byte-recompile)
(define-key dired-mode-map "M" 'dired-chmod)
(define-key dired-mode-map "G" 'dired-chgrp)
(define-key dired-mode-map "O" 'dired-chown))
;; Dired mode is suitable only for specially formatted data.
(put 'dired-mode 'mode-class 'special)
(defun dired-mode (&optional dirname)
"Mode for \"editing\" directory listings.
In dired, you are \"editing\" a list of the files in a directory.
You can move using the usual cursor motion commands.
Letters no longer insert themselves.
Instead, type d to flag a file for Deletion.
Type u to Unflag a file (remove its D flag).
Type Rubout to back up one line and unflag.
Type x to eXecute the deletions requested.
Type f to Find the current line's file
(or Dired it, if it is a directory).
Type o to find file or dired directory in Other window.
Type # to flag temporary files (names beginning with #) for Deletion.
Type ~ to flag backup files (names ending with ~) for Deletion.
Type . to flag numerical backups for Deletion.
(Spares dired-kept-versions or its numeric argument.)
Type r to rename a file.
Type c to copy a file.
Type v to view a file in View mode, returning to Dired when done.
Type g to read the directory again. This discards all deletion-flags.
Space and Rubout can be used to move down and up by lines.
Also: C -- compress this file. U -- uncompress this file.
B -- byte compile this file.
M, G, O -- change file's mode, group or owner.
\\{dired-mode-map}"
(interactive)
(kill-all-local-variables)
(make-local-variable 'revert-buffer-function)
(setq revert-buffer-function 'dired-revert)
(setq major-mode 'dired-mode)
(setq mode-name "Dired")
(make-local-variable 'dired-directory)
(setq dired-directory (or dirname default-directory))
(if dirname
(setq default-directory
(if (file-directory-p dirname)
dirname (file-name-directory dirname))))
(setq mode-line-buffer-identification '("Dired: %17b"))
(setq case-fold-search nil)
(setq buffer-read-only t)
(use-local-map dired-mode-map)
(run-hooks 'dired-mode-hook))
(defun dired-repeat-over-lines (arg function)
(beginning-of-line)
(while (and (> arg 0) (not (eobp)))
(setq arg (1- arg))
(save-excursion
(beginning-of-line)
(and (bobp) (looking-at " total")
(error "No file on this line"))
(funcall function))
(forward-line 1)
(dired-move-to-filename))
(while (and (< arg 0) (not (bobp)))
(setq arg (1+ arg))
(forward-line -1)
(dired-move-to-filename)
(save-excursion
(beginning-of-line)
(funcall function))))
(defun dired-flag-file-deleted (arg)
"In dired, flag the current line's file for deletion.
With arg, repeat over several lines."
(interactive "p")
(dired-repeat-over-lines arg
'(lambda ()
(let ((buffer-read