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1704 lines
65 KiB
EmacsLisp
1704 lines
65 KiB
EmacsLisp
;;; dired-x.el --- Sebastian Kremer's Extra DIRED hacked up for GNU Emacs19
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;; Author: Sebastian Kremer <sk@thp.uni-koeln.de>
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;; Lawrence R. Dodd <dodd@roebling.poly.edu>
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;; Maintainer: Lawrence R. Dodd <dodd@roebling.poly.edu>
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;; Version: 2.37+
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;; Date: 1994/08/18 19:27:42
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;; Keywords: dired extensions
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;; Copyright (C) 1993, 1994 Free Software Foundation
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 2, or (at your option)
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;; any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs; see the file COPYING. If not, write to
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;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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;;; Commentary:
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;;; This is Sebastian Kremer's excellent dired-x.el (Dired Extra), version
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;;; 1.191, hacked up for GNU Emacs 19. Redundant or conflicting material
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;;; has been removed or renamed in order to work properly with dired of
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;;; GNU Emacs 19. All suggestions or comments are most welcomed.
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;;;
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;;; Please, PLEASE, *PLEASE* see the info pages.
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;;;
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;;; BUGS: Type M-x dired-x-submit-report and a report will be generated.
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;;; INSTALLATION: In your ~/.emacs,
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;;;
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;;; (add-hook 'dired-load-hook
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;;; (function (lambda ()
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;;; (load "dired-x")
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;;; ;; Set global variables here. For example:
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;;; ;; (setq dired-guess-shell-gnutar "gtar")
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;;; )))
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;;; (add-hook 'dired-mode-hook
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;;; (function (lambda ()
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;;; ;; Set buffer-local variables here. For example:
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;;; ;; (setq dired-omit-files-p t)
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;;; )))
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;;;
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;;; At load time dired-x.el will install itself, redefine some functions, and
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;;; bind some dired keys. *Please* see the info pages for more details.
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;;; CAUTION: If you are using a version of GNU Emacs earlier than 19.20 than
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;;; you may have to edit dired.el. The copy of dired.el in GNU Emacs versions
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;;; earlier than 19.20 incorrectly had the call to run-hooks *before* the call
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;;; to provide. In such a case, it is possible that byte-compiling and/or
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;;; loading dired can cause an infinite loop. To prevent this, make sure the
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;;; line of code
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;;;
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;;; (run-hooks 'dired-load-hook)
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;;;
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;;; is the *last* executable line in the file dired.el. That is, make sure it
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;;; comes *after* the line
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;;;
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;;; (provide 'dired)
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;;;
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;;; *Please* see the info pages for more details.
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;;; User defined variables:
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;;;
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;;; dired-bind-vm
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;;; dired-vm-read-only-folders
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;;; dired-bind-jump
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;;; dired-bind-info
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;;; dired-bind-man
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;;; dired-x-hands-off-my-keys
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;;; dired-find-subdir
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;;; dired-enable-local-variables
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;;; dired-local-variables-file
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;;; dired-guess-shell-gnutar
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;;; dired-guess-shell-gzip-quiet
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;;; dired-guess-shell-znew-switches
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;;; dired-guess-shell-alist-user
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;;; dired-clean-up-buffers-too
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;;; dired-omit-files-p
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;;; dired-omit-files
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;;; dired-omit-extensions
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;;;
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;;; To find out more about these variables, load this file, put your cursor at
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;;; the end of any of the variable names, and hit C-h v [RET]. *Please* see
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;;; the info pages for more details.
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;;; When loaded this code redefines the following functions of GNU Emacs
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;;;
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;;; Function Found in this file of GNU Emacs
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;;; -------- -------------------------------
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;;; dired-clean-up-after-deletion ../lisp/dired.el
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;;; dired-find-buffer-nocreate ../lisp/dired.el
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;;; dired-initial-position ../lisp/dired.el
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;;; dired-up-directory ../lisp/dired.el
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;;;
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;;; dired-add-entry ../lisp/dired-aux.el
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;;; dired-read-shell-command ../lisp/dired-aux.el
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;;;
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;;; One drawback is that dired-x.el will load dired-aux.el as soon as dired is
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;;; loaded. Thus, the advantage of separating out non-essential dired stuff
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;;; into dired-aux.el and only loading when necessary will be lost. Please
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;;; note also that some of the comments in dired.el and dired-aux.el are
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;;; Kremer's that referred to the old dired-x.el. This now should be referring
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;;; to this program. (This is also a good reason to call this dired-x.el
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;;; instead of dired-x19.el.)
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;;;; Code:
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;;; LOAD.
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;;; This is a no-op if dired-x is being loaded via `dired-load-hook'. It is
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;;; here in case the user has autoloaded dired-x via the dired-jump key binding
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;;; (instead of autoloading to dired as is suggested in the info-pages).
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(require 'dired)
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;;; We will redefine some functions and also need some macros so we need to
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;;; load dired stuff of GNU Emacs.
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(require 'dired-aux)
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;;;; User-defined variables.
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(defvar dired-bind-vm nil
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"*t says \"V\" in dired-mode will `dired-vm', otherwise \"V\" is `dired-rmail'.
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Also, RMAIL files contain -*- rmail -*- at the top so \"f\",
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`dired-advertised-find-file', will run rmail.")
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(defvar dired-bind-jump t
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"*t says bind `dired-jump' to C-x C-j, otherwise do not.")
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(defvar dired-bind-man t
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"*t says bind `dired-man' to \"N\" in dired-mode, otherwise do not.")
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(defvar dired-bind-info t
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"*t says bind `dired-info' to \"I\" in dired-mode, otherwise do not.")
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(defvar dired-vm-read-only-folders nil
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"*If t, \\[dired-vm] will visit all folders read-only.
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If neither nil nor t, e.g. the symbol `if-file-read-only', only
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files not writable by you are visited read-only.
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Read-only folders only work in VM 5, not in VM 4.")
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(defvar dired-omit-files-p nil
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"*If non-nil, \"uninteresting\" files are not listed (buffer-local).
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Use \\[dired-omit-toggle] to toggle its value.
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Uninteresting files are those whose filenames match regexp `dired-omit-files',
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plus those ending with extensions in `dired-omit-extensions'.")
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(make-variable-buffer-local 'dired-omit-files-p)
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(defvar dired-omit-files "^#\\|^\\.$\\|^\\.\\.$"
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"*Filenames matching this regexp will not be displayed.
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This only has effect when `dired-omit-files-p' is t. See interactive function
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`dired-omit-toggle' \(\\[dired-omit-toggle]\) and variable
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`dired-omit-extensions'. The default is to omit `.', `..', and auto-save
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files.")
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(defvar dired-find-subdir nil ; t is pretty near to DWIM...
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"*If non-nil, Dired always finds a directory in a buffer of its own.
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If nil, Dired finds the directory as a subdirectory in some other buffer
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if it is present as one.
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If there are several Dired buffers for a directory, the most recently
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used is chosen.
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Dired avoids switching to the current buffer, so that if you have
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a normal and a wildcard buffer for the same directory, C-x d RET will
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toggle between those two.")
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(defvar dired-enable-local-variables t
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"*Control use of local-variables lists in dired.
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The value can be t, nil or something else.
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A value of t means local-variables lists are obeyed;
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nil means they are ignored; anything else means query.
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This temporarily overrides the value of `enable-local-variables' when listing
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a directory. See also `dired-local-variables-file'.")
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(defvar dired-guess-shell-gnutar nil
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"*If non-nil, name of GNU tar executable (e.g., \"tar\" or \"gtar\") and `z'
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switch will be used for compressed or gzip'ed tar files. If no GNU tar, set
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to nil: a pipe using `zcat' or `gunzip -c' will be used.")
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(defvar dired-guess-shell-gzip-quiet t
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"*non-nil says pass -q to gzip overriding verbose GZIP environment.")
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(defvar dired-guess-shell-znew-switches nil
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"*If non-nil, then string of switches passed to `znew', example: \"-K\"")
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(defvar dired-clean-up-buffers-too t
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"*t says offer to kill buffers visiting files and dirs deleted in dired.")
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;;;; KEY BINDINGS.
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(define-key dired-mode-map "\M-o" 'dired-omit-toggle)
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(define-key dired-mode-map "\M-(" 'dired-mark-sexp)
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(define-key dired-mode-map "\M-!" 'dired-smart-shell-command)
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(define-key dired-mode-map "T" 'dired-do-toggle)
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(define-key dired-mode-map "w" 'dired-copy-filename-as-kill)
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(define-key dired-mode-map "\M-g" 'dired-goto-file)
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(define-key dired-mode-map "\M-G" 'dired-goto-subdir)
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(define-key dired-mode-map "F" 'dired-do-find-marked-files)
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(define-key dired-mode-map "Y" 'dired-do-relsymlink)
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(define-key dired-mode-map "%Y" 'dired-do-relsymlink-regexp)
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(define-key dired-mode-map "V" 'dired-do-run-mail)
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(if dired-bind-man
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(define-key dired-mode-map "N" 'dired-man))
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(if dired-bind-info
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(define-key dired-mode-map "I" 'dired-info))
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;;; GLOBAL BINDING.
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(if dired-bind-jump
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(progn
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(define-key global-map "\C-x\C-j" 'dired-jump)
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(define-key global-map "\C-x4\C-j" 'dired-jump-other-window)))
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;;;; Install into appropriate hooks.
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(add-hook 'dired-mode-hook 'dired-extra-startup)
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(add-hook 'dired-after-readin-hook 'dired-omit-expunge)
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(defun dired-extra-startup ()
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"Automatically put on dired-mode-hook to get extra dired features:
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\\<dired-mode-map>
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\\[dired-do-run-mail]\t-- run mail on folder (see `dired-bind-vm')
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\\[dired-info]\t-- run info on file
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\\[dired-man]\t-- run man on file
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\\[dired-do-find-marked-files]\t-- visit all marked files simultaneously
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\\[dired-omit-toggle]\t-- toggle omitting of files
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\\[dired-do-toggle]\t-- toggle marks
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\\[dired-mark-sexp]\t-- mark by lisp expression
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\\[dired-copy-filename-as-kill]\t-- copy the file or subdir names into the kill ring.
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\t You can feed it to other commands using \\[yank].
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For more features, see variables
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dired-bind-vm
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dired-bind-jump
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dired-bind-info
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dired-bind-man
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dired-vm-read-only-folders
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dired-omit-files-p
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dired-omit-files
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dired-omit-extensions
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dired-find-subdir
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dired-enable-local-variables
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dired-local-variables-file
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dired-guess-shell-gnutar
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dired-guess-shell-gzip-quiet
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dired-guess-shell-znew-switches
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dired-guess-shell-alist-user
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dired-clean-up-buffers-too
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See also functions
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dired-flag-extension
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dired-virtual
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dired-jump
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dired-man
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dired-vm
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dired-rmail
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dired-info
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dired-do-find-marked-files
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"
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(interactive)
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;; These must be done in each new dired buffer.
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(dired-hack-local-variables)
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(dired-omit-startup))
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;;;; BUFFER CLEANING.
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;;; REDEFINE.
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(defun dired-clean-up-after-deletion (fn)
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;; Clean up after a deleted file or directory FN.
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;; Remove expanded subdir of deleted dir, if any.
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(save-excursion (and (cdr dired-subdir-alist)
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(dired-goto-subdir fn)
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(dired-kill-subdir)))
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;; Offer to kill buffer of deleted file FN.
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(if dired-clean-up-buffers-too
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(progn
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(let ((buf (get-file-buffer fn)))
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(and buf
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(funcall (function y-or-n-p)
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(format "Kill buffer of %s, too? "
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(file-name-nondirectory fn)))
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(save-excursion ; you never know where kill-buffer leaves you
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(kill-buffer buf))))
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(let ((buf-list (dired-buffers-for-dir (expand-file-name fn)))
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(buf nil))
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(and buf-list
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(y-or-n-p (format "Kill dired buffer%s of %s, too? "
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(dired-plural-s (length buf-list))
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(file-name-nondirectory fn)))
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(while buf-list
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(save-excursion (kill-buffer (car buf-list)))
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(setq buf-list (cdr buf-list)))))))
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;; Anything else?
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)
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;;;; EXTENSION MARKING FUNCTIONS.
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;;; Mark files with some extension.
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(defun dired-mark-extension (extension &optional marker-char)
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"Mark all files with a certain extension for use in later commands.
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A `.' is not automatically prepended to the string entered."
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;; EXTENSION may also be a list of extensions instead of a single one.
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;; Optional MARKER-CHAR is marker to use.
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(interactive "sMarking extension: \nP")
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(or (listp extension)
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(setq extension (list extension)))
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(dired-mark-files-regexp
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(concat ".";; don't match names with nothing but an extension
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"\\("
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(mapconcat 'regexp-quote extension "\\|")
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"\\)$")
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marker-char))
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(defun dired-flag-extension (extension)
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"In dired, flag all files with a certain extension for deletion.
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A `.' is *not* automatically prepended to the string entered."
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(interactive "sFlagging extension: ")
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(dired-mark-extension extension dired-del-marker))
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;;; Define some unpopular file extensions. Used for cleaning and omitting.
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(defvar dired-patch-unclean-extensions
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'(".rej" ".orig")
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"List of extensions of dispensable files created by the `patch' program.")
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(defvar dired-tex-unclean-extensions
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'(".toc" ".log" ".aux");; these are already in completion-ignored-extensions
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"List of extensions of dispensable files created by TeX.")
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(defvar dired-latex-unclean-extensions
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'(".idx" ".lof" ".lot" ".glo")
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"List of extensions of dispensable files created by LaTeX.")
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(defvar dired-bibtex-unclean-extensions
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'(".blg" ".bbl")
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"List of extensions of dispensable files created by BibTeX.")
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(defvar dired-texinfo-unclean-extensions
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'(".cp" ".cps" ".fn" ".fns" ".ky" ".kys" ".pg" ".pgs"
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".tp" ".tps" ".vr" ".vrs")
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"List of extensions of dispensable files created by texinfo.")
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(defun dired-clean-patch ()
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"Flag dispensable files created by patch for deletion.
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See variable `dired-patch-unclean-extensions'."
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(interactive)
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(dired-flag-extension dired-patch-unclean-extensions))
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(defun dired-clean-tex ()
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"Flag dispensable files created by [La]TeX etc. for deletion.
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See variables `dired-texinfo-unclean-extensions',
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`dired-latex-unclean-extensions', `dired-bibtex-unclean-extensions' and
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`dired-texinfo-unclean-extensions'."
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(interactive)
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(dired-flag-extension (append dired-texinfo-unclean-extensions
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dired-latex-unclean-extensions
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dired-bibtex-unclean-extensions
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dired-tex-unclean-extensions)))
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(defun dired-very-clean-tex ()
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"Flag dispensable files created by [La]TeX *and* \".dvi\" for deletion.
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See variables `dired-texinfo-unclean-extensions',
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`dired-latex-unclean-extensions', `dired-bibtex-unclean-extensions' and
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`dired-texinfo-unclean-extensions'."
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(interactive)
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(dired-flag-extension (append dired-texinfo-unclean-extensions
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dired-latex-unclean-extensions
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dired-bibtex-unclean-extensions
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dired-tex-unclean-extensions
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(list ".dvi"))))
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;;;; JUMP.
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;;;###autoload
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(defun dired-jump (&optional other-window)
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"Jump to dired buffer corresponding to current buffer.
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If in a file, dired the current directory and move to file's line.
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If in dired already, pop up a level and goto old directory's line.
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In case the proper dired file line cannot be found, refresh the dired
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buffer and try again."
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(interactive "P")
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(let* ((file buffer-file-name)
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(dir (if file (file-name-directory file) default-directory)))
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(if (eq major-mode 'dired-mode)
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||
(progn
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(setq dir (dired-current-directory))
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(dired-up-directory other-window)
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||
(or (dired-goto-file dir)
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;; refresh and try again
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(progn
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(dired-insert-subdir (file-name-directory dir))
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(dired-goto-file dir))))
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(if other-window
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(dired-other-window dir)
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(dired dir))
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(if file
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(or (dired-goto-file file)
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;; Toggle omitting, if necessary, and try again.
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||
(progn
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||
(dired-omit-toggle t)
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(dired-goto-file file))
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||
;; refresh and try again
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||
(progn
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(dired-insert-subdir (file-name-directory file))
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(dired-goto-file file)))))))
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||
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(defun dired-jump-other-window ()
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"Like \\[dired-jump] (dired-jump) but in other window."
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||
(interactive)
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||
(dired-jump t))
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||
|
||
;;; REDEFINE.
|
||
;;; This replaces the version in dired.el
|
||
;;; It simply adds the OTHER-WINDOW option to the one in dired.el.
|
||
(defun dired-up-directory (&optional other-window)
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||
"Run dired on parent directory of current directory.
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||
Find the parent directory either in this buffer or another buffer.
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||
Finds in current window or in other window with optional OTHER-WINDOW.
|
||
Creates a buffer if necessary."
|
||
(interactive "P")
|
||
(let* ((dir (dired-current-directory))
|
||
(up (file-name-directory (directory-file-name dir))))
|
||
(or (dired-goto-file (directory-file-name dir))
|
||
;; Only try dired-goto-subdir if buffer has more than one dir.
|
||
(and (cdr dired-subdir-alist)
|
||
(dired-goto-subdir up))
|
||
(progn
|
||
(if other-window
|
||
(dired-other-window up)
|
||
(dired up))
|
||
(dired-goto-file dir)))))
|
||
|
||
|
||
;;;; TOGGLE.
|
||
;;; Toggle marked files with unmarked files.
|
||
|
||
(defun dired-do-toggle ()
|
||
"Toggle marks.
|
||
That is, currently marked files become unmarked and vice versa.
|
||
Files marked with other flags (such as `D') are not affected.
|
||
`.' and `..' are never toggled.
|
||
As always, hidden subdirs are not affected."
|
||
(interactive)
|
||
(save-excursion
|
||
(goto-char (point-min))
|
||
(let (buffer-read-only)
|
||
(while (not (eobp))
|
||
(or (dired-between-files)
|
||
(looking-at dired-re-dot)
|
||
;; use subst instead of insdel because it does not move
|
||
;; the gap and thus should be faster and because
|
||
;; other characters are left alone automatically
|
||
(apply 'subst-char-in-region
|
||
(point) (1+ (point))
|
||
(if (eq ?\040 (following-char)) ; SPC
|
||
(list ?\040 dired-marker-char)
|
||
(list dired-marker-char ?\040))))
|
||
(forward-line 1)))))
|
||
|
||
|
||
;;;; COPY NAMES OF MARKED FILES INTO KILL-RING.
|
||
|
||
(defun dired-copy-filename-as-kill (&optional arg)
|
||
"Copy names of marked (or next ARG) files into the kill ring.
|
||
The names are separated by a space.
|
||
With a zero prefix arg, use the complete pathname of each marked file.
|
||
With \\[universal-argument], use the relative pathname of each marked file.
|
||
|
||
If on a subdir headerline, use subdirname instead; prefix arg is ignored
|
||
in this case.
|
||
|
||
You can then feed the file name(s) to other commands with \\[yank]."
|
||
(interactive "P")
|
||
(let ((string
|
||
(or (dired-get-subdir)
|
||
(mapconcat (function identity)
|
||
(if arg
|
||
(cond ((zerop (prefix-numeric-value arg))
|
||
(dired-get-marked-files))
|
||
((integerp arg)
|
||
(dired-get-marked-files 'no-dir arg))
|
||
(t ; else a raw arg
|
||
(dired-get-marked-files t)))
|
||
(dired-get-marked-files 'no-dir))
|
||
" "))))
|
||
(kill-new string)
|
||
(message "%s" string)))
|
||
|
||
|
||
;;;; OMITTING.
|
||
|
||
;;; Enhanced omitting of lines from directory listings.
|
||
;;; Marked files are never omitted.
|
||
|
||
;; should probably get rid of this and always use 'no-dir.
|
||
;; sk 28-Aug-1991 09:37
|
||
(defvar dired-omit-localp 'no-dir
|
||
"The LOCALP argument dired-omit-expunge passes to dired-get-filename.
|
||
If it is 'no-dir, omitting is much faster, but you can only match
|
||
against the basename of the file. Set it to nil if you need to match the
|
||
whole pathname.")
|
||
|
||
;; \017=^O for Omit - other packages can chose other control characters.
|
||
(defvar dired-omit-marker-char ?\017
|
||
"Temporary marker used by by dired-omit.
|
||
Should never be used as marker by the user or other packages.")
|
||
|
||
(defun dired-omit-startup ()
|
||
(or (assq 'dired-omit-files-p minor-mode-alist)
|
||
(setq minor-mode-alist
|
||
(append '((dired-omit-files-p " Omit")) minor-mode-alist))))
|
||
|
||
(defun dired-omit-toggle (&optional flag)
|
||
"Toggle omitting files matching `dired-omit-files' and `dired-omit-extensions'.
|
||
With an arg, and if omitting was off, don't toggle and just mark the
|
||
files but don't actually omit them.
|
||
With an arg, and if omitting was on, turn it off but don't refresh the buffer."
|
||
(interactive "P")
|
||
(if flag
|
||
(if dired-omit-files-p
|
||
(setq dired-omit-files-p (not dired-omit-files-p))
|
||
(dired-mark-unmarked-files (dired-omit-regexp) nil nil
|
||
dired-omit-localp))
|
||
;; no FLAG
|
||
(setq dired-omit-files-p (not dired-omit-files-p))
|
||
(if (not dired-omit-files-p)
|
||
(revert-buffer)
|
||
;; this will mention how many were omitted:
|
||
(dired-omit-expunge))))
|
||
|
||
(defvar dired-omit-extensions
|
||
(append completion-ignored-extensions
|
||
dired-latex-unclean-extensions
|
||
dired-bibtex-unclean-extensions
|
||
dired-texinfo-unclean-extensions)
|
||
"If non-nil, a list of extensions \(strings\) to omit from Dired listings.
|
||
Defaults to elements of `completion-ignored-extensions',
|
||
`dired-latex-unclean-extensions', `dired-bibtex-unclean-extensions', and
|
||
`dired-texinfo-unclean-extensions'.
|
||
|
||
See interactive function `dired-omit-toggle' \(\\[dired-omit-toggle]\) and
|
||
variables `dired-omit-files-p' and `dired-omit-files'.")
|
||
|
||
(defun dired-omit-expunge (&optional regexp)
|
||
"Erases all unmarked files matching REGEXP.
|
||
Does nothing if global variable `dired-omit-files-p' is nil.
|
||
If REGEXP is nil or not specified, uses `dired-omit-files', and also omits
|
||
filenames ending in `dired-omit-extensions'.
|
||
If REGEXP is the empty string, this function is a no-op.
|
||
|
||
This functions works by temporarily binding `dired-marker-char' to
|
||
`dired-omit-marker-char' and calling `dired-do-kill-lines'."
|
||
(interactive "sOmit files (regexp): ")
|
||
(if dired-omit-files-p
|
||
(let ((omit-re (or regexp (dired-omit-regexp)))
|
||
(old-modified-p (buffer-modified-p))
|
||
count)
|
||
(or (string= omit-re "")
|
||
(let ((dired-marker-char dired-omit-marker-char))
|
||
(message "Omitting...")
|
||
(if (dired-mark-unmarked-files omit-re nil nil dired-omit-localp)
|
||
(progn
|
||
(setq count (dired-do-kill-lines nil "Omitted %d line%s."))
|
||
(force-mode-line-update))
|
||
(message "(Nothing to omit)"))))
|
||
;; Try to preserve modified state of buffer. So `%*' doesn't appear
|
||
;; in mode-line of omitted buffers.
|
||
(set-buffer-modified-p (and old-modified-p
|
||
(save-excursion
|
||
(goto-char (point-min))
|
||
(re-search-forward dired-re-mark nil t))))
|
||
count)))
|
||
|
||
(defun dired-omit-regexp ()
|
||
(concat (if dired-omit-files (concat "\\(" dired-omit-files "\\)") "")
|
||
(if (and dired-omit-files dired-omit-extensions) "\\|" "")
|
||
(if dired-omit-extensions
|
||
(concat ".";; a non-extension part should exist
|
||
"\\("
|
||
(mapconcat 'regexp-quote dired-omit-extensions "\\|")
|
||
"\\)$")
|
||
"")))
|
||
|
||
;; Returns t if any work was done, nil otherwise.
|
||
(defun dired-mark-unmarked-files (regexp msg &optional unflag-p localp)
|
||
"Marks unmarked files matching REGEXP, displaying MSG.
|
||
REGEXP is matched against the complete pathname.
|
||
Does not re-mark files which already have a mark.
|
||
With prefix argument, unflag all those files.
|
||
Second optional argument LOCALP is as in `dired-get-filename'."
|
||
(interactive "P")
|
||
(let ((dired-marker-char (if unflag-p ?\ dired-marker-char)))
|
||
(dired-mark-if
|
||
(and
|
||
;; not already marked
|
||
(looking-at " ")
|
||
;; uninteresting
|
||
(let ((fn (dired-get-filename localp t)))
|
||
(and fn (string-match regexp fn))))
|
||
msg)))
|
||
|
||
;;; REDEFINE.
|
||
(defun dired-omit-new-add-entry (filename &optional marker-char)
|
||
;; This redefines dired-aux.el's dired-add-entry to avoid calling ls for
|
||
;; files that are going to be omitted anyway.
|
||
(if dired-omit-files-p
|
||
;; perhaps return t without calling ls
|
||
(let ((omit-re (dired-omit-regexp)))
|
||
(if (or (string= omit-re "")
|
||
(not
|
||
(string-match omit-re
|
||
(cond
|
||
((eq 'no-dir dired-omit-localp)
|
||
filename)
|
||
((eq t dired-omit-localp)
|
||
(dired-make-relative filename))
|
||
(t
|
||
(dired-make-absolute
|
||
filename
|
||
(file-name-directory filename)))))))
|
||
;; if it didn't match, go ahead and add the entry
|
||
(dired-omit-old-add-entry filename marker-char)
|
||
;; dired-add-entry returns t for success, perhaps we should
|
||
;; return file-exists-p
|
||
t))
|
||
;; omitting is not turned on at all
|
||
(dired-omit-old-add-entry filename marker-char)))
|
||
|
||
;;; REDEFINE.
|
||
;;; Redefine dired-aux.el's version of `dired-add-entry'
|
||
;;; Save old defun if not already done:
|
||
(or (fboundp 'dired-omit-old-add-entry)
|
||
(fset 'dired-omit-old-add-entry (symbol-function 'dired-add-entry)))
|
||
;; Redefine it.
|
||
(fset 'dired-add-entry 'dired-omit-new-add-entry)
|
||
|
||
|
||
;;;; VIRTUAL DIRED MODE.
|
||
|
||
;;; For browsing `ls -lR' listings in a dired-like fashion.
|
||
|
||
(fset 'virtual-dired 'dired-virtual)
|
||
(defun dired-virtual (dirname &optional switches)
|
||
"Put this buffer into Virtual Dired mode.
|
||
|
||
In Virtual Dired mode, all commands that do not actually consult the
|
||
filesystem will work.
|
||
|
||
This is useful if you want to peruse and move around in an ls -lR
|
||
output file, for example one you got from an ftp server. With
|
||
ange-ftp, you can even dired a directory containing an ls-lR file,
|
||
visit that file and turn on virtual dired mode. But don't try to save
|
||
this file, as dired-virtual indents the listing and thus changes the
|
||
buffer.
|
||
|
||
If you have save a Dired buffer in a file you can use \\[dired-virtual] to
|
||
resume it in a later session.
|
||
|
||
Type \\<dired-mode-map>\\[revert-buffer] in the
|
||
Virtual Dired buffer and answer `y' to convert the virtual to a real
|
||
dired buffer again. You don't have to do this, though: you can relist
|
||
single subdirs using \\[dired-do-redisplay].
|
||
"
|
||
|
||
;; DIRNAME is the top level directory of the buffer. It will become
|
||
;; its `default-directory'. If nil, the old value of
|
||
;; default-directory is used.
|
||
|
||
;; Optional SWITCHES are the ls switches to use.
|
||
|
||
;; Shell wildcards will be used if there already is a `wildcard'
|
||
;; line in the buffer (thus it is a saved Dired buffer), but there
|
||
;; is no other way to get wildcards. Insert a `wildcard' line by
|
||
;; hand if you want them.
|
||
|
||
(interactive
|
||
(list (read-string "Virtual Dired directory: " (dired-virtual-guess-dir))))
|
||
(goto-char (point-min))
|
||
(or (looking-at " ")
|
||
;; if not already indented, do it now:
|
||
(indent-region (point-min) (point-max) 2))
|
||
(or dirname (setq dirname default-directory))
|
||
(setq dirname (expand-file-name (file-name-as-directory dirname)))
|
||
(setq default-directory dirname) ; contains no wildcards
|
||
(let ((wildcard (save-excursion
|
||
(goto-char (point-min))
|
||
(forward-line 1)
|
||
(and (looking-at "^ wildcard ")
|
||
(buffer-substring (match-end 0)
|
||
(progn (end-of-line) (point)))))))
|
||
(if wildcard
|
||
(setq dirname (expand-file-name wildcard default-directory))))
|
||
;; If raw ls listing (not a saved old dired buffer), give it a
|
||
;; decent subdir headerline:
|
||
(goto-char (point-min))
|
||
(or (looking-at dired-subdir-regexp)
|
||
(dired-insert-headerline default-directory))
|
||
(dired-mode dirname (or switches dired-listing-switches))
|
||
(setq mode-name "Virtual Dired"
|
||
revert-buffer-function 'dired-virtual-revert)
|
||
(set (make-local-variable 'dired-subdir-alist) nil)
|
||
(dired-build-subdir-alist)
|
||
(goto-char (point-min))
|
||
(dired-initial-position dirname))
|
||
|
||
(defun dired-virtual-guess-dir ()
|
||
|
||
;; Guess and return appropriate working directory of this buffer,
|
||
;; assumed to be in Dired or ls -lR format.
|
||
;; The guess is based upon buffer contents.
|
||
;; If nothing could be guessed, returns nil.
|
||
|
||
(let ((regexp "^\\( \\)?\\([^ \n\r]*\\)\\(:\\)[\n\r]")
|
||
(subexpr 2))
|
||
(goto-char (point-min))
|
||
(cond ((looking-at regexp)
|
||
;; If a saved dired buffer, look to which dir and
|
||
;; perhaps wildcard it belongs:
|
||
(let ((dir (buffer-substring (match-beginning subexpr)
|
||
(match-end subexpr))))
|
||
(file-name-as-directory dir)))
|
||
;; Else no match for headerline found. It's a raw ls listing.
|
||
;; In raw ls listings the directory does not have a headerline
|
||
;; try parent of first subdir, if any
|
||
((re-search-forward regexp nil t)
|
||
(file-name-directory
|
||
(directory-file-name
|
||
(file-name-as-directory
|
||
(buffer-substring (match-beginning subexpr)
|
||
(match-end subexpr))))))
|
||
(t ; if all else fails
|
||
nil))))
|
||
|
||
|
||
(defun dired-virtual-revert (&optional arg noconfirm)
|
||
(if (not
|
||
(y-or-n-p "Cannot revert a Virtual Dired buffer - switch to Real Dired mode? "))
|
||
(error "Cannot revert a Virtual Dired buffer.")
|
||
(setq mode-name "Dired"
|
||
revert-buffer-function 'dired-revert)
|
||
(revert-buffer)))
|
||
|
||
;; A zero-arg version of dired-virtual.
|
||
;; You need my modified version of set-auto-mode for the
|
||
;; `buffer-contents-mode-alist'.
|
||
;; Or you use infer-mode.el and infer-mode-alist, same syntax.
|
||
(defun dired-virtual-mode ()
|
||
"Put current buffer into virtual dired mode (see `dired-virtual').
|
||
Useful on `buffer-contents-mode-alist' (which see) with the regexp
|
||
|
||
\"^ \\(/[^ /]+\\)/?+:$\"
|
||
|
||
to put saved dired buffers automatically into virtual dired mode.
|
||
|
||
Also useful for `auto-mode-alist' (which see) like this:
|
||
|
||
\(setq auto-mode-alist (cons '(\"[^/]\\.dired\\'\" . dired-virtual-mode)
|
||
auto-mode-alist)\)"
|
||
(interactive)
|
||
(dired-virtual (dired-virtual-guess-dir)))
|
||
|
||
|
||
;;;; SMART SHELL.
|
||
|
||
;;; An Emacs buffer can have but one working directory, stored in the
|
||
;;; buffer-local variable `default-directory'. A Dired buffer may have
|
||
;;; several subdirectories inserted, but still has but one working directory:
|
||
;;; that of the top level Dired directory in that buffer. For some commands
|
||
;;; it is appropriate that they use the current Dired directory instead of
|
||
;;; `default-directory', e.g., `find-file' and `compile'. This is a general
|
||
;;; mechanism is provided for special handling of the working directory in
|
||
;;; special major modes.
|
||
|
||
;; It's easier to add to this alist than redefine function
|
||
;; default-directory while keeping the old information.
|
||
(defconst default-directory-alist
|
||
'((dired-mode . (if (fboundp 'dired-current-directory)
|
||
(dired-current-directory)
|
||
default-directory)))
|
||
"Alist of major modes and their opinion on default-directory, as a
|
||
lisp expression to evaluate. A resulting value of nil is ignored in
|
||
favor of default-directory.")
|
||
|
||
(defun default-directory ()
|
||
"Usage like variable `default-directory', but knows about the special
|
||
cases in variable `default-directory-alist' (which see)."
|
||
(or (eval (cdr (assq major-mode default-directory-alist)))
|
||
default-directory))
|
||
|
||
(defun dired-smart-shell-command (cmd &optional insert)
|
||
"Like function `shell-command', but in the current Tree Dired directory."
|
||
(interactive "sShell command: \nP")
|
||
(let ((default-directory (default-directory)))
|
||
(shell-command cmd insert)))
|
||
|
||
|
||
;;;; LOCAL VARIABLES FOR DIRED BUFFERS.
|
||
|
||
;;; Brief Description:
|
||
;;;
|
||
;;; * `dired-extra-startup' is part of the `dired-mode-hook'.
|
||
;;;
|
||
;;; * `dired-extra-startup' calls `dired-hack-local-variables'
|
||
;;;
|
||
;;; * `dired-hack-local-variables' checks the value of
|
||
;;; `dired-local-variables-file'
|
||
;;;
|
||
;;; * Check if `dired-local-variables-file' is a non-nil string and is a
|
||
;;; filename found in the directory of the Dired Buffer being created.
|
||
;;;
|
||
;;; * If `dired-local-variables-file' satisfies the above, then temporarily
|
||
;;; include it in the Dired Buffer at the bottom.
|
||
;;;
|
||
;;; * Set `enable-local-variables' temporarily to the user variable
|
||
;;; `dired-enable-local-variables' and run `hack-local-variables' on the
|
||
;;; Dired Buffer.
|
||
|
||
(defvar dired-local-variables-file ".dired"
|
||
"Filename, as string, containing local dired buffer variables to be hacked.
|
||
If this file found in current directory, then it will be inserted into dired
|
||
buffer and `hack-local-variables' will be run. See Emacs Info pages for more
|
||
information on local variables. See also `dired-enable-local-variables'.")
|
||
|
||
(defun dired-hack-local-variables ()
|
||
"Evaluate local variables in `dired-local-variables-file' for dired buffer."
|
||
(if (and dired-local-variables-file
|
||
(stringp dired-local-variables-file)
|
||
(file-exists-p dired-local-variables-file))
|
||
(let ((opoint (point-max))
|
||
buffer-read-only
|
||
;; In case user has `enable-local-variables' set to nil we
|
||
;; override it locally with dired's variable.
|
||
(enable-local-variables dired-enable-local-variables))
|
||
;; Insert 'em.
|
||
(save-excursion
|
||
(goto-char opoint)
|
||
(insert "\^L\n")
|
||
(insert-file-contents dired-local-variables-file))
|
||
;; Hack 'em.
|
||
(let ((buffer-file-name dired-local-variables-file))
|
||
(hack-local-variables))
|
||
;; Make sure that the modeline shows the proper information.
|
||
(dired-sort-set-modeline)
|
||
;; Delete this stuff: `eobp' is used to find last subdir by dired.el.
|
||
(delete-region opoint (point-max)))))
|
||
|
||
(defun dired-omit-here-always ()
|
||
"Creates `dired-local-variables-file' for omitting and reverts directory.
|
||
Sets dired-omit-file-p to t in a local variables file that is readable by
|
||
dired."
|
||
(interactive)
|
||
(if (file-exists-p dired-local-variables-file)
|
||
(message "File `./%s' already exists." dired-local-variables-file)
|
||
|
||
;; Create `dired-local-variables-file'.
|
||
(save-excursion
|
||
(set-buffer (get-buffer-create " *dot-dired*"))
|
||
(erase-buffer)
|
||
(insert "Local Variables:\ndired-omit-files-p: t\nEnd:\n")
|
||
(write-file dired-local-variables-file)
|
||
(kill-buffer (current-buffer)))
|
||
|
||
;; Run extra-hooks and revert directory.
|
||
(dired-extra-startup)
|
||
(dired-revert)))
|
||
|
||
|
||
;;;; GUESS SHELL COMMAND.
|
||
|
||
;;; Brief Description:
|
||
;;;
|
||
;;; `dired-do-shell-command' is bound to `!' by dired.el.
|
||
;;;
|
||
;;; * Redefine `dired-do-shell-command' so it calls
|
||
;;; `dired-guess-shell-command'.
|
||
;;;
|
||
;;; * `dired-guess-shell-command' calls `dired-guess-default' with list of
|
||
;;; marked files.
|
||
;;;
|
||
;;; * Parse `dired-guess-shell-alist-user' and
|
||
;;; `dired-guess-shell-alist-default' (in that order) for the first REGEXP
|
||
;;; that matches the first file in the file list.
|
||
;;;
|
||
;;; * If the REGEXP matches all the entries of the file list then evaluate
|
||
;;; COMMAND, which is either a string or a Lisp expression returning a
|
||
;;; string. COMMAND may be a list of commands.
|
||
;;;
|
||
;;; * Return this command to `dired-guess-shell-command' which prompts user
|
||
;;; with it. The list of commands are temporaily put into the history list.
|
||
;;; If a command is used successfully then it is stored permanently in
|
||
;;; `dired-shell-command-history'.
|
||
|
||
;;; Guess what shell command to apply to a file.
|
||
(defvar dired-shell-command-history nil
|
||
"History list for commands that read dired-shell commands.")
|
||
|
||
;;; Default list of shell commands.
|
||
|
||
;;; NOTE: Use `gunzip -c' instead of `zcat' on `.gz' files. Some do not
|
||
;;; install GNU zip's version of zcat.
|
||
|
||
(defvar dired-guess-shell-alist-default
|
||
(list
|
||
(list "\\.tar$" '(if dired-guess-shell-gnutar
|
||
(concat dired-guess-shell-gnutar " xvf")
|
||
"tar xvf"))
|
||
|
||
;; REGEXPS for compressed archives must come before the .Z rule to
|
||
;; be recognized:
|
||
(list "\\.tar\\.Z$"
|
||
;; Untar it.
|
||
'(if dired-guess-shell-gnutar
|
||
(concat dired-guess-shell-gnutar " zxvf")
|
||
(concat "zcat * | tar xvf -"))
|
||
;; Optional conversion to gzip format.
|
||
'(concat "znew" (if dired-guess-shell-gzip-quiet " -q")
|
||
" " dired-guess-shell-znew-switches))
|
||
|
||
;; gzip'ed archives
|
||
(list "\\.tar\\.g?z$"
|
||
'(if dired-guess-shell-gnutar
|
||
(concat dired-guess-shell-gnutar " zxvf")
|
||
(concat "gunzip -qc * | tar xvf -"))
|
||
;; Optional decompression.
|
||
'(concat "gunzip" (if dired-guess-shell-gzip-quiet " -q" "")))
|
||
|
||
'("\\.shar.Z$" "zcat * | unshar")
|
||
'("\\.shar.g?z$" "gunzip -qc * | unshar")
|
||
|
||
'("\\.ps$" "ghostview" "xv" "lpr")
|
||
(list "\\.ps.g?z$" "gunzip -qc * | ghostview -"
|
||
;; Optional decompression.
|
||
'(concat "gunzip" (if dired-guess-shell-gzip-quiet " -q")))
|
||
(list "\\.ps.Z$" "zcat * | ghostview -"
|
||
;; Optional conversion to gzip format.
|
||
'(concat "znew" (if dired-guess-shell-gzip-quiet " -q")
|
||
" " dired-guess-shell-znew-switches))
|
||
'("\\.patch$" "cat * | patch")
|
||
'("\\.patch.g?z$" "gunzip -qc * | patch")
|
||
(list "\\.patch.Z$" "zcat * | patch"
|
||
;; Optional conversion to gzip format.
|
||
'(concat "znew" (if dired-guess-shell-gzip-quiet " -q")
|
||
" " dired-guess-shell-znew-switches))
|
||
|
||
'("\\.dvi$" "xdvi" "dvips") ; preview and printing
|
||
'("\\.au$" "play") ; play Sun audiofiles
|
||
'("\\.mpg$" "mpeg_play")
|
||
'("\\.uu$" "uudecode") ; for uudecoded files
|
||
'("\\.hqx$" "mcvert")
|
||
'("\\.sh$" "sh") ; execute shell scripts
|
||
'("\\.xbm$" "bitmap") ; view X11 bitmaps
|
||
'("\\.gp$" "gnuplot")
|
||
'("\\.p[bgpn]m$" "xv")
|
||
'("\\.gif$" "xv") ; view gif pictures
|
||
'("\\.tif$" "xv")
|
||
'("\\.jpg$" "xv")
|
||
'("\\.fig$" "xfig") ; edit fig pictures
|
||
'("\\.out$" "xgraph") ; for plotting purposes.
|
||
'("\\.tex$" "latex" "tex")
|
||
'("\\.texi\\(nfo\\)?$" "makeinfo" "texi2dvi")
|
||
|
||
;; Some other popular archivers.
|
||
'("\\.zoo$" "zoo x//")
|
||
'("\\.zip$" "unzip")
|
||
'("\\.lzh$" "lharc x")
|
||
'("\\.arc$" "arc x")
|
||
'("\\.shar$" "unshar")
|
||
|
||
;; Compression.
|
||
(list "\\.g?z$" '(concat "gunzip" (if dired-guess-shell-gzip-quiet " -q")))
|
||
(list "\\.Z$" "uncompress"
|
||
;; Optional conversion to gzip format.
|
||
'(concat "znew" (if dired-guess-shell-gzip-quiet " -q")
|
||
" " dired-guess-shell-znew-switches))
|
||
)
|
||
|
||
"Default alist used for shell command guessing.
|
||
See `dired-guess-shell-alist-user'")
|
||
|
||
(defvar dired-guess-shell-alist-user nil
|
||
"User-defined alist of rules for suggested commands. These rules take
|
||
precedence over the predefined rules in the variable
|
||
`dired-guess-shell-alist-default' (to which they are prepended).
|
||
|
||
Each element of this list looks like
|
||
|
||
\(REGEXP COMMAND...\)
|
||
|
||
where each COMMAND can either be a string or a lisp expression that evaluates
|
||
to a string. If several COMMANDs are given, the first one will be the default
|
||
and the rest will be added temporarily to the history and can be retrieved
|
||
with \\[previous-history-element] (M-p) .
|
||
|
||
You can set this variable in your ~/.emacs. For example, to add rules for
|
||
`.foo' and `.bar' files, write
|
||
|
||
\(setq dired-guess-shell-alist-user
|
||
(list (list \"\\\\.foo$\" \"FOO-COMMAND\");; fixed rule
|
||
;; possibly more rules ...
|
||
(list \"\\\\.bar$\";; rule with condition test
|
||
'(if condition
|
||
\"BAR-COMMAND-1\"
|
||
\"BAR-COMMAND-2\")))\)
|
||
")
|
||
|
||
(defun dired-guess-default (files)
|
||
|
||
;; Guess a shell commands for FILES. Return command or list of commands.
|
||
;; See `dired-guess-shell-alist-user'.
|
||
|
||
(let* ((case-fold-search nil) ; case-sensitive matching
|
||
;; Prepend the user's alist to the default alist.
|
||
(alist (append dired-guess-shell-alist-user
|
||
dired-guess-shell-alist-default))
|
||
(file (car files))
|
||
(flist (cdr files))
|
||
elt regexp cmds)
|
||
|
||
;; Find the first match in the alist for first file in FILES.
|
||
(while alist
|
||
(setq elt (car alist)
|
||
regexp (car elt)
|
||
alist (cdr alist))
|
||
(if (string-match regexp file)
|
||
(setq cmds (cdr elt)
|
||
alist nil)))
|
||
|
||
;; If more than one file, see if all of FILES match regular expression.
|
||
(while (and flist
|
||
(string-match regexp (car flist)))
|
||
(setq flist (cdr flist)))
|
||
|
||
;; If flist is still non-nil, then do not guess since this means that not
|
||
;; all the files in FILES were matched by the regexp.
|
||
(setq cmds (and (not flist) cmds))
|
||
|
||
;; Return commands or nil if flist is still non-nil.
|
||
;; Evaluate the commands in order that any logical testing will be done.
|
||
(cond ((not (cdr cmds))
|
||
(eval (car cmds))) ; single command
|
||
(t
|
||
(mapcar (function eval) cmds)))))
|
||
|
||
(defun dired-guess-shell-command (prompt files)
|
||
|
||
;; Ask user with PROMPT for a shell command, guessing a default from FILES.
|
||
|
||
(let ((default (dired-guess-default files))
|
||
default-list old-history val (failed t))
|
||
|
||
(if (null default)
|
||
;; Nothing to guess
|
||
(read-from-minibuffer prompt nil nil nil 'dired-shell-command-history)
|
||
|
||
;; Save current history list
|
||
(setq old-history dired-shell-command-history)
|
||
|
||
(if (listp default)
|
||
|
||
;; More than one guess
|
||
(setq default-list default
|
||
default (car default)
|
||
prompt (concat
|
||
prompt
|
||
(format "{%d guesses} " (length default-list))))
|
||
|
||
;; Just one guess
|
||
(setq default-list (list default)))
|
||
|
||
;; Push all guesses onto history so that they can be retrieved with M-p
|
||
;; and put the first guess in the prompt but not in the initial value.
|
||
(setq dired-shell-command-history
|
||
(append default-list dired-shell-command-history)
|
||
prompt (concat prompt (format "[%s] " default)))
|
||
|
||
;; The unwind-protect returns VAL, and we too.
|
||
(unwind-protect
|
||
;; BODYFORM
|
||
(progn
|
||
(setq val (read-from-minibuffer prompt nil nil nil
|
||
'dired-shell-command-history)
|
||
failed nil)
|
||
;; If we got a return, then use default.
|
||
(if (equal val "")
|
||
(setq val default))
|
||
val)
|
||
|
||
;; UNWINDFORMS
|
||
;; Undo pushing onto the history list so that an aborted
|
||
;; command doesn't get the default in the next command.
|
||
(setq dired-shell-command-history old-history)
|
||
(if (not failed)
|
||
(or (equal val (car-safe dired-shell-command-history))
|
||
(setq dired-shell-command-history
|
||
(cons val dired-shell-command-history))))))))
|
||
|
||
|
||
;;; REDEFINE.
|
||
;;; Redefine dired-aux.el's version:
|
||
(defun dired-read-shell-command (prompt arg files)
|
||
;; "Read a dired shell command prompting with PROMPT (using read-string).
|
||
;;ARG is the prefix arg and may be used to indicate in the prompt which
|
||
;; files are affected.
|
||
;;This is an extra function so that you can redefine it, e.g., to use gmhist."
|
||
(dired-mark-pop-up
|
||
nil 'shell files
|
||
'dired-guess-shell-command
|
||
(format prompt (dired-mark-prompt arg files)) ; PROMPT
|
||
files)) ; FILES
|
||
|
||
|
||
;;;; RELATIVE SYMBOLIC LINKS.
|
||
|
||
(defvar dired-keep-marker-relsymlink ?S
|
||
"See variable `dired-keep-marker-move'.")
|
||
|
||
(defun dired-make-relative-symlink (file1 file2 &optional ok-if-already-exists)
|
||
"Three arguments: FILE1 FILE2 &optional OK-IF-ALREADY-EXISTS
|
||
Make a symbolic link (pointing to FILE1) in FILE2.
|
||
The link is relative (if possible), for example
|
||
|
||
\"/vol/tex/bin/foo\" \"/vol/local/bin/foo\"
|
||
|
||
results in
|
||
|
||
\"../../tex/bin/foo\" \"/vol/local/bin/foo\"
|
||
"
|
||
(interactive "FRelSymLink: \nFRelSymLink %s: \np")
|
||
(let (name1 name2 len1 len2 (index 0) sub)
|
||
(setq file1 (expand-file-name file1)
|
||
file2 (expand-file-name file2)
|
||
len1 (length file1)
|
||
len2 (length file2))
|
||
;; Find common initial pathname components:
|
||
(let (next)
|
||
(while (and (setq next (string-match "/" file1 index))
|
||
(setq next (1+ next))
|
||
(< next (min len1 len2))
|
||
;; For the comparison, both substrings must end in
|
||
;; `/', so NEXT is *one plus* the result of the
|
||
;; string-match.
|
||
;; E.g., consider the case of linking "/tmp/a/abc"
|
||
;; to "/tmp/abc" erronously giving "/tmp/a" instead
|
||
;; of "/tmp/" as common initial component
|
||
(string-equal (substring file1 0 next)
|
||
(substring file2 0 next)))
|
||
(setq index next))
|
||
(setq name2 file2
|
||
sub (substring file1 0 index)
|
||
name1 (substring file1 index)))
|
||
(if (string-equal sub "/")
|
||
;; No common initial pathname found
|
||
(setq name1 file1)
|
||
;; Else they have a common parent directory
|
||
(let ((tem (substring file2 index))
|
||
(start 0)
|
||
(count 0))
|
||
;; Count number of slashes we must compensate for ...
|
||
(while (setq start (string-match "/" tem start))
|
||
(setq count (1+ count)
|
||
start (1+ start)))
|
||
;; ... and prepend a "../" for each slash found:
|
||
(while (> count 0)
|
||
(setq count (1- count)
|
||
name1 (concat "../" name1)))))
|
||
(make-symbolic-link
|
||
(directory-file-name name1) ; must not link to foo/
|
||
; (trailing slash!)
|
||
name2 ok-if-already-exists)))
|
||
|
||
(defun dired-do-relsymlink (&optional arg)
|
||
"Relative symlink all marked (or next ARG) files into a directory,
|
||
or make a relative symbolic link to the current file.
|
||
This creates relative symbolic links like
|
||
|
||
foo -> ../bar/foo
|
||
|
||
not absolute ones like
|
||
|
||
foo -> /ugly/path/that/may/change/any/day/bar/foo"
|
||
(interactive "P")
|
||
(dired-do-create-files 'relsymlink (function dired-make-relative-symlink)
|
||
"RelSymLink" arg dired-keep-marker-relsymlink))
|
||
|
||
(defun dired-do-relsymlink-regexp (regexp newname &optional whole-path)
|
||
"RelSymlink all marked files containing REGEXP to NEWNAME.
|
||
See functions `dired-do-rename-regexp' and `dired-do-relsymlink'
|
||
for more info."
|
||
(interactive (dired-mark-read-regexp "RelSymLink"))
|
||
(dired-do-create-files-regexp
|
||
(function dired-make-relative-symlink)
|
||
"RelSymLink" nil regexp newname whole-path dired-keep-marker-relsymlink))
|
||
|
||
|
||
;;;; VISIT ALL MARKED FILES SIMULTANEOUSLY.
|
||
|
||
;;; Brief Description:
|
||
;;;
|
||
;;; `dired-do-find-marked-files' is bound to `F' by dired-x.el.
|
||
;;;
|
||
;;; * Use `dired-get-marked-files' to collect the marked files in the current
|
||
;;; Dired Buffer into a list of filenames `FILE-LIST'.
|
||
;;;
|
||
;;; * Pass FILE-LIST to `dired-simultaneous-find-file' all with
|
||
;;; `dired-do-find-marked-files''s prefix argument NOSELECT.
|
||
;;;
|
||
;;; * `dired-simultaneous-find-file' runs through FILE-LIST decrementing the
|
||
;;; list each time.
|
||
;;;
|
||
;;; * If NOSELECT is non-nil then just run `find-file-noselect' on each
|
||
;;; element of FILE-LIST.
|
||
;;;
|
||
;;; * If NOSELECT is nil then calculate the `size' of the window for each file
|
||
;;; by dividing the `window-height' by length of FILE-LIST. Thus, `size' is
|
||
;;; cognizant of the window-configuration.
|
||
;;;
|
||
;;; * If `size' is too small abort, otherwise run `find-file' on each element
|
||
;;; of FILE-LIST giving each a window of height `size'.
|
||
|
||
(defun dired-do-find-marked-files (&optional noselect)
|
||
"Find all marked files displaying all of them simultaneously.
|
||
With optional NOSELECT just find files but do not select them.
|
||
|
||
The current window is split across all files marked, as evenly as possible.
|
||
Remaining lines go to bottom-most window. The number of files that can be
|
||
displayed this way is restricted by the height of the current window and
|
||
`window-min-height'.
|
||
|
||
To keep dired buffer displayed, type \\[split-window-vertically] first.
|
||
To display just marked files, type \\[delete-other-windows] first."
|
||
|
||
(interactive "P")
|
||
(dired-simultaneous-find-file (dired-get-marked-files) noselect))
|
||
|
||
(defun dired-simultaneous-find-file (file-list noselect)
|
||
|
||
;; Visit all files in FILE-LIST and display them simultaneously. The
|
||
;; current window is split across all files in FILE-LIST, as evenly as
|
||
;; possible. Remaining lines go to the bottom-most window. The number of
|
||
;; files that can be displayed this way is restricted by the height of the
|
||
;; current window and the variable `window-min-height'. With non-nil
|
||
;; NOSELECT the files are merely found but not selected.
|
||
|
||
;; We don't make this function interactive because it is usually too clumsy
|
||
;; to specify FILE-LIST interactively unless via dired.
|
||
|
||
(let (size)
|
||
|
||
(if noselect
|
||
;; Do not select the buffer.
|
||
(find-file-noselect (car file-list))
|
||
|
||
;; We will have to select the buffer. Calculate and check window size.
|
||
(setq size (/ (window-height) (length file-list)))
|
||
(or (<= window-min-height size)
|
||
(error "Too many files to visit simultaneously. Try C-u prefix."))
|
||
(find-file (car file-list)))
|
||
|
||
;; Decrement.
|
||
(setq file-list (cdr file-list))
|
||
|
||
(while file-list
|
||
|
||
(if noselect
|
||
;; Do not select the buffer.
|
||
(find-file-noselect (car file-list))
|
||
|
||
;; Vertically split off a window of desired size. Upper window will
|
||
;; have SIZE lines. Select lower (larger) window. We split it again.
|
||
(select-window (split-window nil size))
|
||
(find-file (car file-list)))
|
||
|
||
;; Decrement.
|
||
(setq file-list (cdr file-list)))))
|
||
|
||
|
||
;;;; MISCELLANEOUS COMMANDS.
|
||
|
||
;;; Run man on files.
|
||
|
||
(defun dired-man ()
|
||
"Run man on this file. Display old buffer if buffer name matches filename.
|
||
Uses ../lisp/man.el of \\[manual-entry] fame."
|
||
(interactive)
|
||
(require 'man)
|
||
(let ((file (dired-get-filename))
|
||
(manual-program "nroff -man -h"))
|
||
(Man-getpage-in-background file)))
|
||
|
||
;;; Run Info on files.
|
||
|
||
(defun dired-info ()
|
||
"Run info on this file."
|
||
(interactive)
|
||
(info (dired-get-filename)))
|
||
|
||
;;; Run mail on mail folders.
|
||
|
||
;;; (and (not (fboundp 'vm-visit-folder))
|
||
;;; (defun vm-visit-folder (file &optional arg)
|
||
;;; nil))
|
||
|
||
(defun dired-vm (&optional read-only)
|
||
"Run VM on this file.
|
||
With prefix arg, visit folder read-only (this requires at least VM 5).
|
||
See also variable `dired-vm-read-only-folders'."
|
||
(interactive "P")
|
||
(let ((dir (dired-current-directory))
|
||
(fil (dired-get-filename)))
|
||
;; take care to supply 2nd arg only if requested - may still run VM 4!
|
||
(cond (read-only (vm-visit-folder fil t))
|
||
((eq t dired-vm-read-only-folders) (vm-visit-folder fil t))
|
||
((null dired-vm-read-only-folders) (vm-visit-folder fil))
|
||
(t (vm-visit-folder fil (not (file-writable-p fil)))))
|
||
;; so that pressing `v' inside VM does prompt within current directory:
|
||
(set (make-local-variable 'vm-folder-directory) dir)))
|
||
|
||
(defun dired-rmail ()
|
||
"Run RMAIL on this file."
|
||
(interactive)
|
||
(rmail (dired-get-filename)))
|
||
|
||
(defun dired-do-run-mail ()
|
||
"If `dired-bind-vm' is t, then function `dired-vm', otherwise `dired-rmail'."
|
||
(interactive)
|
||
(if dired-bind-vm
|
||
;; Read mail folder using vm.
|
||
(dired-vm)
|
||
;; Read mail folder using rmail.
|
||
(dired-rmail)))
|
||
|
||
|
||
;;;; MISCELLANEOUS INTERNAL FUNCTIONS.
|
||
|
||
(or (fboundp 'dired-old-find-buffer-nocreate)
|
||
(fset 'dired-old-find-buffer-nocreate
|
||
(symbol-function 'dired-find-buffer-nocreate)))
|
||
|
||
;;; REDEFINE.
|
||
;;; Redefines dired.el's version of `dired-find-buffer-nocreate'
|
||
(defun dired-find-buffer-nocreate (dirname)
|
||
(if dired-find-subdir
|
||
(let* ((cur-buf (current-buffer))
|
||
(buffers (nreverse
|
||
(dired-buffers-for-dir (expand-file-name dirname))))
|
||
(cur-buf-matches (and (memq cur-buf buffers)
|
||
;; wildcards must match, too:
|
||
(equal dired-directory dirname))))
|
||
;; We don't want to switch to the same buffer---
|
||
(setq buffers (delq cur-buf buffers));;need setq with delq
|
||
(or (car (sort buffers (function dired-buffer-more-recently-used-p)))
|
||
;; ---unless it's the only possibility:
|
||
(and cur-buf-matches cur-buf)))
|
||
(dired-old-find-buffer-nocreate dirname)))
|
||
|
||
;; This should be a builtin
|
||
(defun dired-buffer-more-recently-used-p (buffer1 buffer2)
|
||
"Return t if BUFFER1 is more recently used than BUFFER2."
|
||
(if (equal buffer1 buffer2)
|
||
nil
|
||
(let ((more-recent nil)
|
||
(list (buffer-list)))
|
||
(while (and list
|
||
(not (setq more-recent (equal buffer1 (car list))))
|
||
(not (equal buffer2 (car list))))
|
||
(setq list (cdr list)))
|
||
more-recent)))
|
||
|
||
;;; Same thing as `dired-buffers-for-dir' of dired.el? - lrd 11/23/93
|
||
;;; (defun dired-buffers-for-dir-exact (dir)
|
||
;;; ;; Return a list of buffers that dired DIR (a directory or wildcard)
|
||
;;; ;; at top level, or as subdirectory.
|
||
;;; ;; Top level matches must match the wildcard part too, if any.
|
||
;;; ;; The list is in reverse order of buffer creation, most recent last.
|
||
;;; ;; As a side effect, killed dired buffers for DIR are removed from
|
||
;;; ;; dired-buffers.
|
||
;;; (let ((alist dired-buffers) result elt)
|
||
;;; (while alist
|
||
;;; (setq elt (car alist)
|
||
;;; alist (cdr alist))
|
||
;;; (let ((buf (cdr elt)))
|
||
;;; (if (buffer-name buf)
|
||
;;; ;; Top level must match exactly against dired-directory in
|
||
;;; ;; case one of them is a wildcard.
|
||
;;; (if (or (equal dir (save-excursion (set-buffer buf)
|
||
;;; dired-directory))
|
||
;;; (assoc dir (save-excursion (set-buffer buf)
|
||
;;; dired-subdir-alist)))
|
||
;;; (setq result (cons buf result)))
|
||
;;; ;; else buffer is killed - clean up:
|
||
;;; (setq dired-buffers (delq elt dired-buffers)))))
|
||
;;; result))
|
||
|
||
;;; REDEFINE.
|
||
;;; Redefines dired.el's version of `dired-initial-position'
|
||
(defun dired-initial-position (dirname)
|
||
(end-of-line)
|
||
(if dired-find-subdir (dired-goto-subdir dirname)) ; new
|
||
(if dired-trivial-filenames (dired-goto-next-nontrivial-file)))
|
||
|
||
|
||
;; Does anyone use this? - lrd 6/29/93.
|
||
(defun dired-mark-sexp (predicate &optional unflag-p)
|
||
"Mark files for which PREDICATE returns non-nil.
|
||
With a prefix arg, unflag those files instead.
|
||
|
||
PREDICATE is a lisp expression that can refer to the following symbols:
|
||
|
||
inode [integer] the inode of the file (only for ls -i output)
|
||
s [integer] the size of the file for ls -s output
|
||
(ususally in blocks or, with -k, in KByte)
|
||
mode [string] file permission bits, e.g. \"-rw-r--r--\"
|
||
nlink [integer] number of links to file
|
||
uid [string] owner
|
||
gid [string] group (If the gid is not displayed by ls,
|
||
this will still be set (to the same as uid))
|
||
size [integer] file size in bytes
|
||
time [string] the time that ls displays, e.g. \"Feb 12 14:17\"
|
||
name [string] the name of the file
|
||
sym [string] if file is a symbolic link, the linked-to name, else \"\"
|
||
|
||
For example, use
|
||
|
||
(equal 0 size)
|
||
|
||
to mark all zero length files."
|
||
;; Using sym="" instead of nil avoids the trap of
|
||
;; (string-match "foo" sym) into which a user would soon fall.
|
||
;; Give `equal' instead of `=' in the example, as this works on
|
||
;; integers and strings.
|
||
(interactive "xMark if (lisp expr): \nP")
|
||
(message "%s" predicate)
|
||
(let ((dired-marker-char (if unflag-p ?\040 dired-marker-char))
|
||
inode s mode nlink uid gid size time name sym)
|
||
(dired-mark-if
|
||
(save-excursion
|
||
(and
|
||
;; Sets vars
|
||
;; inode s mode nlink uid gid size time name sym
|
||
|
||
;; according to current file line. Returns t for success, nil if
|
||
;; there is no file line. Upon success, all variables are set, either
|
||
;; to nil or the appropriate value, so they need not be initialized.
|
||
;; Moves point within the current line.
|
||
(if (dired-move-to-filename)
|
||
(let (pos
|
||
(mode-len 10) ; length of mode string
|
||
;; like in dired.el, but with subexpressions \1=inode, \2=s:
|
||
(dired-re-inode-size "\\s *\\([0-9]*\\)\\s *\\([0-9]*\\) ?"))
|
||
(beginning-of-line)
|
||
(forward-char 2)
|
||
(if (looking-at dired-re-inode-size)
|
||
(progn
|
||
(goto-char (match-end 0))
|
||
(setq inode (string-to-int (buffer-substring (match-beginning 1)
|
||
(match-end 1)))
|
||
s (string-to-int (buffer-substring (match-beginning 2)
|
||
(match-end 2)))))
|
||
(setq inode nil
|
||
s nil))
|
||
(setq mode (buffer-substring (point) (+ mode-len (point))))
|
||
(forward-char mode-len)
|
||
(setq nlink (read (current-buffer)))
|
||
(setq uid (buffer-substring (point) (progn (forward-word 1) (point))))
|
||
(re-search-forward "\\(Jan\\|Feb\\|Mar\\|Apr\\|May\\|Jun\\|Jul\\|Aug\\|Sep\\|Oct\\|Nov\\|Dec\\)")
|
||
(goto-char (match-beginning 1))
|
||
(forward-char -1)
|
||
(setq size (string-to-int (buffer-substring (save-excursion
|
||
(backward-word 1)
|
||
(setq pos (point)))
|
||
(point))))
|
||
(goto-char pos)
|
||
(backward-word 1)
|
||
;; if no gid is displayed, gid will be set to uid
|
||
;; but user will then not reference it anyway in PREDICATE.
|
||
(setq gid (buffer-substring (save-excursion (forward-word 1) (point))
|
||
(point))
|
||
time (buffer-substring (match-beginning 1)
|
||
(1- (dired-move-to-filename)))
|
||
name (buffer-substring (point)
|
||
(or (dired-move-to-end-of-filename t)
|
||
(point)))
|
||
sym (progn
|
||
(if (looking-at " -> ")
|
||
(buffer-substring (progn (forward-char 4) (point))
|
||
(progn (end-of-line) (point)))
|
||
"")))
|
||
t)
|
||
nil)
|
||
(eval predicate)))
|
||
(format "'%s file" predicate))))
|
||
|
||
|
||
;;;; FIND FILE AT POINT.
|
||
|
||
(defvar dired-x-hands-off-my-keys t
|
||
"*t means don't bind `dired-x-find-file' over `find-file' on keyboard.
|
||
Similarly for `dired-x-find-file-other-window' over `find-file-other-window'.
|
||
If you change this variable after dired-x.el is loaded then do
|
||
\\[dired-x-bind-find-file].")
|
||
|
||
;;; Bind `dired-x-find-file{-other-window}' over wherever
|
||
;;; `find-file{-other-window}' is bound?
|
||
(defun dired-x-bind-find-file ()
|
||
"Bind `dired-x-find-file' in place of `find-file' \(or reverse\).
|
||
Similarly for `dired-x-find-file-other-window' and `find-file-other-window'.
|
||
Binding direction based on `dired-x-hands-off-my-keys'.
|
||
This function part of `after-init-hook'."
|
||
(interactive)
|
||
(if (interactive-p)
|
||
(setq dired-x-hands-off-my-keys
|
||
(not (y-or-n-p "Bind dired-x-find-file over find-file? "))))
|
||
(cond ((not dired-x-hands-off-my-keys)
|
||
(substitute-key-definition 'find-file
|
||
'dired-x-find-file
|
||
(current-global-map))
|
||
(substitute-key-definition 'find-file-other-window
|
||
'dired-x-find-file-other-window
|
||
(current-global-map)))
|
||
(t
|
||
(substitute-key-definition 'dired-x-find-file
|
||
'find-file
|
||
(current-global-map))
|
||
(substitute-key-definition 'dired-x-find-file-other-window
|
||
'find-file-other-window
|
||
(current-global-map))))
|
||
;; Clear mini-buffer.
|
||
(message nil))
|
||
|
||
;;; Now call it so binding is correct and put on `after-init-hook' in case
|
||
;;; user changes binding.
|
||
(dired-x-bind-find-file)
|
||
(add-hook 'after-init-hook 'dired-x-bind-find-file)
|
||
|
||
(defun dired-x-find-file (filename)
|
||
"Edit file FILENAME.
|
||
May create a new window, or reuse an existing one.
|
||
See the function `display-buffer'.
|
||
|
||
Identical to `find-file' except when called interactively, with a prefix arg
|
||
\(e.g., \\[universal-argument]\), in which case it guesses filename near
|
||
point. Useful for editing file mentioned in buffer you are viewing, or to
|
||
test if that file exists. Use minibuffer after snatching filename."
|
||
(interactive (list (read-filename-at-point "Find file: ")))
|
||
(find-file (expand-file-name filename)))
|
||
|
||
(defun dired-x-find-file-other-window (filename)
|
||
"Edit file FILENAME, in another window.
|
||
May create a new window, or reuse an existing one.
|
||
See the function `display-buffer'.
|
||
|
||
Identical to `find-file-other-window' except when called interactively, with a
|
||
prefix arg \(e.g., \\[universal-argument]\), in which case it guesses filename
|
||
near point. Useful for editing file mentioned in buffer you are viewing, or
|
||
to test if that file exists. Use minibuffer after snatching filename."
|
||
(interactive (list (read-filename-at-point "Find file: ")))
|
||
(find-file-other-window (expand-file-name filename)))
|
||
|
||
;;; Internal functions.
|
||
(defun dired-filename-at-point ()
|
||
|
||
;; Get the filename closest to point, but do not change position. Has a
|
||
;; preference for looking backward when not directly on a symbol. Not
|
||
;; perfect - point must be in middle of or end of filename.
|
||
|
||
(let ((filename-chars ".a-zA-Z0-9---_/:$+")
|
||
(bol (save-excursion (beginning-of-line) (point)))
|
||
(eol (save-excursion (end-of-line) (point)))
|
||
start end filename)
|
||
|
||
(save-excursion
|
||
;; First see if just past a filename.
|
||
(if (not (eobp))
|
||
(if (looking-at "[] \t\n[{}()]") ; whitespace or some parens
|
||
(progn
|
||
(skip-chars-backward " \n\t\r({[]})")
|
||
(if (not (bobp))
|
||
(backward-char 1)))))
|
||
|
||
(if (string-match (concat "[" filename-chars "]")
|
||
(char-to-string (following-char)))
|
||
(progn
|
||
(skip-chars-backward filename-chars)
|
||
(setq start (point))
|
||
(if (string-match "[/~]" (char-to-string (preceding-char)))
|
||
(setq start (1- start)))
|
||
(skip-chars-forward filename-chars))
|
||
|
||
(error "No file found around point!"))
|
||
|
||
;; Return string.
|
||
(expand-file-name (buffer-substring start (point))))))
|
||
|
||
(defun read-filename-at-point (prompt)
|
||
;;; Returns filename prompting with PROMPT with completion. If
|
||
;;; `current-prefix-arg' is non-nil, uses name at point as guess.
|
||
(if current-prefix-arg
|
||
(let ((guess (dired-filename-at-point)))
|
||
(read-file-name prompt
|
||
(file-name-directory guess)
|
||
guess
|
||
nil (file-name-nondirectory guess)))
|
||
(read-file-name prompt default-directory)))
|
||
|
||
|
||
;;;; BUG REPORTS
|
||
|
||
;;; This section is provided for reports. It uses Barry A. Warsaw's
|
||
;;; reporter.el which is bundled with GNU Emacs v19.
|
||
|
||
(defconst dired-x-version "2.37"
|
||
"Revision number of dired-x.el -- dired extra for GNU Emacs v19.
|
||
Type \\[dired-x-submit-report] to send a bug report. Available via anonymous
|
||
ftp in
|
||
|
||
/roebling.poly.edu:/pub/packages/dired-x.tar.gz")
|
||
|
||
(defconst dired-x-help-address "dodd@roebling.poly.edu"
|
||
"Address(es) accepting submission of reports on dired-x.el.")
|
||
|
||
(defconst dired-x-maintainer "Larry"
|
||
"First name(s) of people accepting submission of reports on dired-x.el.")
|
||
|
||
(defconst dired-x-file "dired-x.el"
|
||
"Name of file containing emacs lisp code.")
|
||
|
||
(defconst dired-x-variable-list
|
||
(list
|
||
'dired-bind-vm
|
||
'dired-vm-read-only-folders
|
||
'dired-bind-jump
|
||
'dired-bind-info
|
||
'dired-bind-man
|
||
'dired-find-subdir
|
||
'dired-enable-local-variables
|
||
'dired-local-variables-file
|
||
'dired-guess-shell-gnutar
|
||
'dired-guess-shell-gzip-quiet
|
||
'dired-guess-shell-znew-switches
|
||
'dired-guess-shell-alist-user
|
||
'dired-clean-up-buffers-too
|
||
'dired-omit-files-p
|
||
'dired-omit-files
|
||
'dired-omit-extensions
|
||
)
|
||
"List of variables to be appended to reports sent by `dired-x-submit-report.'")
|
||
|
||
(defun dired-x-submit-report ()
|
||
"Submit via reporter.el a bug report on program. Send report on `dired-x-file'
|
||
version `dired-x-version,' to `dired-x-maintainer' at address `dired-x-help-address'
|
||
listing variables `dired-x-variable-list' in the message."
|
||
(interactive)
|
||
|
||
;; In case we can't find reporter...
|
||
(condition-case err
|
||
(progn
|
||
;; Get it if we can.
|
||
(require 'reporter)
|
||
|
||
(reporter-submit-bug-report
|
||
dired-x-help-address ; address
|
||
(concat dired-x-file " (" dired-x-version ")") ; pkgname
|
||
dired-x-variable-list ; varlist
|
||
nil nil ; pre-/post-hooks
|
||
(concat dired-x-maintainer ","))) ; salutation
|
||
|
||
;; ...fail gracefully.
|
||
(error
|
||
(beep)
|
||
(message "Sorry, reporter.el not found."))))
|
||
|
||
|
||
;; As Barry Warsaw would say: "This might be useful..."
|
||
(provide 'dired-x)
|
||
|
||
;;; dired-x.el ends here
|