home *** CD-ROM | disk | FTP | other *** search
- ;;; find-dired.el --- run a `find' command and dired the output
-
- ;; Copyright (C) 1992, 1994, 1995 Free Software Foundation, Inc.
-
- ;; Author: Roland McGrath <roland@gnu.ai.mit.edu>,
- ;; Sebastian Kremer <sk@thp.uni-koeln.de>
- ;; Keywords: unix
-
- ;; 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)
-
- ;; 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"))
- "*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.")
-
- ;;;###autoload
- (defvar find-grep-options (if (eq system-type 'berkeley-unix) "-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'.")
-
- (defvar find-args nil
- "Last arguments given to `find' by \\[find-dired].")
-
- ;; History of find-args values entered in the minibuffer.
- (defvar find-args-history nil)
-
- ;;;###autoload
- (defun find-dired (dir args)
- "Run `find' and go into dired-mode on a buffer of the output.
- The command run (after changing into DIR) is
-
- find . \\( ARGS \\) -ls"
- (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))
- ;; 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" (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)
- "Search DIR recursively for files matching the globbing pattern PATTERN,
- and run dired on those files.
- PATTERN is a shell wildcard (not an Emacs regexp) and need not be quoted.
- The command run (after changing into DIR) is
-
- find . -name 'PATTERN' -ls"
- (interactive
- "DFind-name (directory): \nsFind-name (filename wildcard): ")
- (find-dired dir (concat "-name '" pattern "'")))
-
- ;; This functionality suggested by
- ;; From: oblanc@watcgl.waterloo.edu (Olivier Blanc)
- ;; Subject: find-dired, lookfor-dired
- ;; Date: 10 May 91 17:50:00 GMT
- ;; Organization: University of Waterloo
-
- (defalias 'lookfor-dired 'find-grep-dired)
- ;;;###autoload
- (defun find-grep-dired (dir args)
- "Find files in DIR containing a regexp ARG and start Dired on output.
- The command run (after changing into DIR) is
-
- find . -exec grep -s ARG {} \\\; -ls
-
- 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'
- (find-dired dir
- (concat "! -type d -exec grep " find-grep-options " "
- args " {} \\\; ")))
-
- (defun find-dired-filter (proc string)
- ;; Filter for \\[find-dired] processes.
- (let ((buf (process-buffer proc)))
- (if (buffer-name buf) ; not killed?
- (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))
- ;; Convert ` ./FILE' to ` FILE'
- ;; This would lose if the current chunk of output
- ;; starts or ends within the ` ./', so back up a bit:
- (goto-char (- end 3)) ; no error if < 0
- (while (search-forward " ./" nil t)
- (delete-region (point) (- (point) 2)))
- ;; Find all the complete lines in the unprocessed
- ;; output and process it to add text properties.
- (goto-char end)
- (if (search-backward "\n" (process-mark proc) t)
- (progn
- (dired-insert-set-properties (process-mark proc)
- (1+ (point)))
- (move-marker (process-mark proc) (1+ (point)))))
- ))))
- ;; The buffer has been killed.
- (delete-process proc))))
-
- (defun find-dired-sentinel (proc state)
- ;; Sentinel for \\[find-dired] processes.
- (let ((buf (process-buffer proc)))
- (if (buffer-name buf)
- (save-excursion
- (set-buffer buf)
- (let ((buffer-read-only nil))
- (save-excursion
- (goto-char (point-max))
- (insert "\nfind " state)
- (forward-char -1) ;Back up before \n at end of STATE.
- (insert " at " (substring (current-time-string) 0 19))
- (forward-char 1)
- (setq mode-line-process
- (concat ":"
- (symbol-name (process-status proc))))
- ;; Since the buffer and mode line will show that the
- ;; process is dead, we can delete it now. Otherwise it
- ;; will stay around until M-x list-processes.
- (delete-process proc)
- (force-mode-line-update)))
- (message "find-dired %s finished." (current-buffer))))))
-
- (provide 'find-dired)
-
- ;;; find-dired.el ends here
-