X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/82b942b71bb22e60c5c8463cb4cfee7f7d4e358f..e1483c383115cc874a07ce2353567125ec36941f:/lisp/find-dired.el diff --git a/lisp/find-dired.el b/lisp/find-dired.el index 3f2648fb76..e39d58c8c4 100644 --- a/lisp/find-dired.el +++ b/lisp/find-dired.el @@ -1,46 +1,68 @@ ;;; find-dired.el --- run a `find' command and dired the output -;;; Copyright (C) 1992, 1994, 1995 Free Software Foundation, Inc. +;; Copyright (C) 1992, 1994, 1995, 2000 Free Software Foundation, Inc. -;; Author: Roland McGrath , +;; Author: Roland McGrath , ;; Sebastian Kremer +;; Maintainer: FSF ;; Keywords: unix -;;; This program 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 2, or (at your option) -;;; any later version. -;;; -;;; This program 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. -;;; -;;; A copy of the GNU General Public License can be obtained from this -;;; program's author (send electronic mail to roland@ai.mit.edu) or from -;;; the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA -;;; 02139, USA. -;;; +;; 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 2, 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, Inc., 59 Temple Place - Suite 330, +;; Boston, MA 02111-1307, USA. ;;; Code: (require 'dired) +(defgroup find-dired nil + "Run a `find' command and dired the output." + :group 'dired + :prefix "find-") + +(defcustom find-dired-find-program "find" + "Program used to find files." + :group 'dired + :type 'file) + ;; find's -ls corresponds to these switches. ;; Note -b, at least GNU find quotes spaces etc. in filenames ;;;###autoload -(defvar find-ls-option (if (eq system-type 'berkeley-unix) '("-ls" . "-gilsb") - '("-exec ls -ld {} \\;" . "-ld")) +(defcustom find-ls-option + (if (eq system-type 'berkeley-unix) '("-ls" . "-gilsb") + '("-exec ls -ld {} \\;" . "-ld")) "*Description of the option to `find' to produce an `ls -l'-type listing. This is a cons of two strings (FIND-OPTION . LS-SWITCHES). FIND-OPTION gives the option (or options) to `find' that produce the desired output. -LS-SWITCHES is a list of `ls' switches to tell dired how to parse the output.") +LS-SWITCHES is a list of `ls' switches to tell dired how to parse the output." + :type '(cons (string :tag "Find Option") + (string :tag "Ls Switches")) + :group 'find-dired) ;;;###autoload -(defvar find-grep-options (if (eq system-type 'berkeley-unix) "-s" "-q") +(defcustom find-grep-options + (if (or (eq system-type 'berkeley-unix) + (string-match "solaris2" system-configuration) + (string-match "irix" system-configuration)) + "-s" "-q") "*Option to grep to be as silent as possible. On Berkeley systems, this is `-s'; on Posix, and with GNU grep, `-q' does it. -On other systems, the closest you can come is to use `-l'.") +On other systems, the closest you can come is to use `-l'." + :type 'string + :group 'find-dired) (defvar find-args nil "Last arguments given to `find' by \\[find-dired].") @@ -50,56 +72,80 @@ On other systems, the closest you can come is to use `-l'.") ;;;###autoload (defun find-dired (dir args) - "Run `find' and go into dired-mode on a buffer of the output. + "Run `find' and go into Dired mode on a buffer of the output. The command run (after changing into DIR) is - find . \\( ARGS \\) -ls" + find . \\( ARGS \\) -ls + +except that the variable `find-ls-option' specifies what to use +as the final argument." (interactive (list (read-file-name "Run find in directory: " nil "" t) (read-string "Run find (with args): " find-args '(find-args-history . 1)))) - ;; Expand DIR ("" means default-directory), and make sure it has a - ;; trailing slash. - (setq dir (file-name-as-directory (expand-file-name dir))) - ;; Check that it's really a directory. - (or (file-directory-p dir) - (error "find-dired needs a directory: %s" dir)) - (switch-to-buffer (get-buffer-create "*Find*")) - (widen) - (kill-all-local-variables) - (setq buffer-read-only nil) - (erase-buffer) - (setq default-directory dir - find-args args ; save for next interactive call - args (concat "find . " - (if (string= args "") - "" - (concat "\\( " args " \\) ")) - (car find-ls-option))) - ;; The next statement will bomb in classic dired (no optional arg allowed) - (dired-mode dir (cdr find-ls-option)) - ;; Set subdir-alist so that Tree Dired will work: - (if (fboundp 'dired-simple-subdir-alist) - ;; will work even with nested dired format (dired-nstd.el,v 1.15 - ;; and later) - (dired-simple-subdir-alist) - ;; else we have an ancient tree dired (or classic dired, where - ;; this does no harm) - (set (make-local-variable 'dired-subdir-alist) - (list (cons default-directory (point-min-marker))))) - (setq buffer-read-only nil) - ;; Subdir headlerline must come first because the first marker in - ;; subdir-alist points there. - (insert " " dir ":\n") - ;; Make second line a ``find'' line in analogy to the ``total'' or - ;; ``wildcard'' line. - (insert " " args "\n") - ;; Start the find process. - (let ((proc (start-process-shell-command "find" (current-buffer) args))) - (set-process-filter proc (function find-dired-filter)) - (set-process-sentinel proc (function find-dired-sentinel)) - ;; Initialize the process marker; it is used by the filter. - (move-marker (process-mark proc) 1 (current-buffer))) - (setq mode-line-process '(":%s"))) + (let ((dired-buffers dired-buffers)) + ;; Expand DIR ("" means default-directory), and make sure it has a + ;; trailing slash. + (setq dir (abbreviate-file-name + (file-name-as-directory (expand-file-name dir)))) + ;; Check that it's really a directory. + (or (file-directory-p dir) + (error "find-dired needs a directory: %s" dir)) + (switch-to-buffer (get-buffer-create "*Find*")) + + ;; See if there's still a `find' running, and offer to kill + ;; it first, if it is. + (let ((find (get-buffer-process (current-buffer)))) + (when find + (if (or (not (eq (process-status find) 'run)) + (yes-or-no-p "A `find' process is running; kill it? ")) + (condition-case nil + (progn + (interrupt-process find) + (sit-for 1) + (delete-process find)) + (error nil)) + (error "Cannot have two processes in `%s' at once" (buffer-name))))) + + (widen) + (kill-all-local-variables) + (setq buffer-read-only nil) + (erase-buffer) + (setq default-directory dir + find-args args ; save for next interactive call + args (concat find-dired-find-program " . " + (if (string= args "") + "" + (concat "\\( " args " \\) ")) + (car find-ls-option))) + ;; The next statement will bomb in classic dired (no optional arg allowed) + (dired-mode dir (cdr find-ls-option)) + ;; This really should rerun the find command, but I don't + ;; have time for that. + (use-local-map (append (make-sparse-keymap) (current-local-map))) + (define-key (current-local-map) "g" 'undefined) + ;; Set subdir-alist so that Tree Dired will work: + (if (fboundp 'dired-simple-subdir-alist) + ;; will work even with nested dired format (dired-nstd.el,v 1.15 + ;; and later) + (dired-simple-subdir-alist) + ;; else we have an ancient tree dired (or classic dired, where + ;; this does no harm) + (set (make-local-variable 'dired-subdir-alist) + (list (cons default-directory (point-min-marker))))) + (setq buffer-read-only nil) + ;; Subdir headlerline must come first because the first marker in + ;; subdir-alist points there. + (insert " " dir ":\n") + ;; Make second line a ``find'' line in analogy to the ``total'' or + ;; ``wildcard'' line. + (insert " " args "\n") + ;; Start the find process. + (let ((proc (start-process-shell-command find-dired-find-program (current-buffer) args))) + (set-process-filter proc (function find-dired-filter)) + (set-process-sentinel proc (function find-dired-sentinel)) + ;; Initialize the process marker; it is used by the filter. + (move-marker (process-mark proc) 1 (current-buffer))) + (setq mode-line-process '(":%s")))) ;;;###autoload (defun find-name-dired (dir pattern) @@ -131,8 +177,11 @@ Thus ARG can also contain additional grep options." (interactive "DFind-grep (directory): \nsFind-grep (grep regexp): ") ;; find -exec doesn't allow shell i/o redirections in the command, ;; or we could use `grep -l >/dev/null' + ;; We use -type f, not ! -type d, to avoid getting screwed + ;; by FIFOs and devices. I'm not sure what's best to do + ;; about symlinks, so as far as I know this is not wrong. (find-dired dir - (concat "! -type d -exec grep " find-grep-options " " + (concat "-type f -exec grep " find-grep-options " " args " {} \\\; "))) (defun find-dired-filter (proc string)