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+;;; find-dired.el -- Run a `find' command and dired the result.
+;;; Copyright (C) 1991 Free Software Foundation, Inc.
+;;; Written by Roland McGrath
+;;;
+;;; 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 1, 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.
+;;;
+
+(require 'dired)
+
+(defvar find-args nil
+  "Last arguments given to `find' by \\[find-dired].")
+
+(defvar find-ls-option (if (eq system-type 'berkeley-unix) "-ls"
+                        "-exec ls -ldi {} \\;")
+  "Option to `find' to produce an `ls -l'-type listing.")
+
+;;;###autoload
+(defun find-dired (dir args)
+  "Run `find' and go into dired-mode on a buffer of the output.
+The command run is \"find . \\( ARGS \\) -ls\" (after changing into DIR)."
+  (interactive (list (read-file-name "Run find in directory: " nil "" t)
+                    (read-string "Run find (with args): " find-args)))
+  (if (equal dir "")
+      (setq dir default-directory))
+  ;; Expand DIR, 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 "%s is not a directory!" 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
+       args (concat "find . " (if (string= args "") ""
+                                (concat "\\( " args " \\) ")) find-ls-option))
+  (insert "  " args "\n"
+         "  " dir ":\n")
+  (set-process-filter (start-process-shell-command "find"
+                                                  (current-buffer) args)
+                     'find-dired-filter)
+  (set-process-sentinel (get-buffer-process (current-buffer))
+                       'find-dired-sentinel)
+  (dired-mode)
+  (setq mode-line-process '(": %s")))
+
+;;;###autoload
+(defun find-name-dired (dir pattern)
+  "Search DIR recursively for files matching the globbing pattern PATTERN,
+and run dired on those files."
+  (interactive "DSearch directory: \nsSearch directory %s for: ")
+  (find-dired dir (concat "-name '" pattern "'")))
+
+(defun find-dired-filter (proc string)
+  ;; Filter for \\[find-dired] processes.
+    (let ((buf (process-buffer proc)))
+      (if (buffer-name buf)
+         (save-excursion
+           (set-buffer buf)
+           (save-restriction
+             (widen)
+             (save-excursion
+               (let ((buffer-read-only nil)
+                     (end (point-max)))
+                 (goto-char end)
+                 (insert string)
+                 (goto-char end)
+                 (or (looking-at "^")
+                     (forward-line 1))
+                 (while (looking-at "^")
+                   (insert "  ")
+                   (forward-line 1))))))
+       ;; The buffer has been killed.
+       (delete-process proc))))
+
+(defun find-dired-sentinel (proc state)
+  ;; Sentinel for \\[find-dired] processes.
+  (save-excursion
+    (set-buffer (process-buffer proc))
+    (setq mode-line-process nil)
+    (message "find-dired %s finished." (current-buffer))))
+
+(provide 'find-dired)