;;; find-dired.el --- run a `find' command and dired the output ;; Copyright (C) 1992, 1994-1995, 2000-2014 Free Software Foundation, ;; Inc. ;; Author: Roland McGrath , ;; Sebastian Kremer ;; Maintainer: emacs-devel@gnu.org ;; 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 3 of the License, 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. If not, see . ;;; Commentary: ;;; Code: (require 'dired) (defgroup find-dired nil "Run a `find' command and Dired the output." :group 'dired :prefix "find-") ;; FIXME this option does not really belong in this file, it's more general. ;; Eg cf some tests in grep.el. (defcustom find-exec-terminator (if (eq 0 (ignore-errors (process-file find-program nil nil nil null-device "-exec" "echo" "{}" "+"))) "+" (shell-quote-argument ";")) "String that terminates \"find -exec COMMAND {} \". The value should include any needed quoting for the shell. Common values are \"+\" and \"\\\\;\", with the former more efficient than the latter." :version "24.1" :group 'find-dired :type 'string) ;; find's -ls corresponds to these switches. ;; Note -b, at least GNU find quotes spaces etc. in filenames (defcustom find-ls-option (if (eq 0 (ignore-errors (process-file find-program nil nil nil null-device "-ls"))) (cons "-ls" (if (eq system-type 'berkeley-unix) "-gilsb" "-dilsb")) (cons (format "-exec ls -ld {} %s" find-exec-terminator) "-ld")) "A pair of options to produce and parse an `ls -l'-type list from `find'. This is a cons of two strings (FIND-OPTION . LS-SWITCHES). FIND-OPTION is the option (or options) passed to `find' to produce a file listing in the desired format. LS-SWITCHES is a set of `ls' switches that tell dired how to parse the output of `find'. The two options must be set to compatible values. For example, to use human-readable file sizes with GNU ls: \(\"-exec ls -ldh {} +\" . \"-ldh\") To use GNU find's inbuilt \"-ls\" option to list files: \(\"-ls\" . \"-dilsb\") since GNU find's output has the same format as using GNU ls with the options \"-dilsb\"." :version "24.1" ; add tests for -ls and -exec + support :type '(cons (string :tag "Find Option") (string :tag "Ls Switches")) :group 'find-dired) (defcustom find-ls-subdir-switches (if (string-match "-[a-z]*b" (cdr find-ls-option)) "-alb" "-al") "`ls' switches for inserting subdirectories in `*Find*' buffers. This should contain the \"-l\" switch. Use the \"-F\" or \"-b\" switches if and only if you also use them for `find-ls-option'." :version "24.1" ; add -b test :type 'string :group 'find-dired) (defcustom find-grep-options (if (or (eq system-type 'berkeley-unix) (string-match "solaris2\\|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'." :type 'string :group 'find-dired) ;; This used to be autoloaded (see bug#4387). (defcustom find-name-arg (if read-file-name-completion-ignore-case "-iname" "-name") "Argument used to specify file name pattern. If `read-file-name-completion-ignore-case' is non-nil, -iname is used so that find also ignores case. Otherwise, -name is used." :type 'string :group 'find-dired :version "22.2") (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) (defvar dired-sort-inhibit) ;;;###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 essentially find . \\( ARGS \\) -ls except that the car of the variable `find-ls-option' specifies what to use in place of \"-ls\" as the final argument." (interactive (list (read-directory-name "Run find in directory: " nil "" t) (read-string "Run find (with args): " find-args '(find-args-history . 1)))) (let ((dired-buffers dired-buffers)) ;; 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*")) ;; 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-program " . " (if (string= args "") "" (concat (shell-quote-argument "(") " " args " " (shell-quote-argument ")") " ")) (if (string-match "\\`\\(.*\\) {} \\(\\\\;\\|+\\)\\'" (car find-ls-option)) (format "%s %s %s" (match-string 1 (car find-ls-option)) (shell-quote-argument "{}") find-exec-terminator) (car find-ls-option)))) ;; Start the find process. (shell-command (concat args "&") (current-buffer)) ;; The next statement will bomb in classic dired (no optional arg allowed) (dired-mode dir (cdr find-ls-option)) (let ((map (make-sparse-keymap))) (set-keymap-parent map (current-local-map)) (define-key map "\C-c\C-k" 'kill-find) (use-local-map map)) (make-local-variable 'dired-sort-inhibit) (setq dired-sort-inhibit t) (set (make-local-variable 'revert-buffer-function) `(lambda (ignore-auto noconfirm) (find-dired ,dir ,find-args))) ;; 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))))) (set (make-local-variable 'dired-subdir-switches) find-ls-subdir-switches) (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. (let ((point (point))) (insert " " args "\n") (dired-insert-set-properties point (point))) (setq buffer-read-only t) (let ((proc (get-buffer-process (current-buffer)))) (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) (point) (current-buffer))) (setq mode-line-process '(":%s")))) (defun kill-find () "Kill the `find' process running in the current buffer." (interactive) (let ((find (get-buffer-process (current-buffer)))) (and find (eq (process-status find) 'run) (eq (process-filter find) (function find-dired-filter)) (condition-case nil (delete-process find) (error nil))))) ;;;###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 default command run (after changing into DIR) is find . -name 'PATTERN' -ls See `find-name-arg' to customize the arguments." (interactive "DFind-name (directory): \nsFind-name (filename wildcard): ") (find-dired dir (concat find-name-arg " " (shell-quote-argument 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 regexp) "Find files in DIR matching a regexp REGEXP and start Dired on output. The command run (after changing into DIR) is find . \\( -type f -exec `grep-program' `find-grep-options' \\ -e REGEXP {} \\; \\) -ls where the car of the variable `find-ls-option' specifies what to use in place of \"-ls\" as the final argument." ;; Doc used to say "Thus ARG can also contain additional grep options." ;; i) Presumably ARG == REGEXP? ;; ii) No it can't have options, since it gets shell-quoted. (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 f -exec " grep-program " " find-grep-options " -e " (shell-quote-argument regexp) " " (shell-quote-argument "{}") " " ;; Doesn't work with "+". (shell-quote-argument ";")))) (defun find-dired-filter (proc string) ;; Filter for \\[find-dired] processes. (let ((buf (process-buffer proc)) (inhibit-read-only t)) (if (buffer-name buf) (with-current-buffer buf (save-excursion (save-restriction (widen) (let ((buffer-read-only nil) (beg (point-max)) (l-opt (and (consp find-ls-option) (string-match "l" (cdr find-ls-option)))) (ls-regexp (concat "^ +[^ \t\r\n]+\\( +[^ \t\r\n]+\\) +" "[^ \t\r\n]+ +[^ \t\r\n]+\\( +[0-9]+\\)"))) (goto-char beg) (insert string) (goto-char beg) (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 (- beg 3)) ; no error if < 0 (while (search-forward " ./" nil t) (delete-region (point) (- (point) 2))) ;; Pad the number of links and file size. This is a ;; quick and dirty way of getting the columns to line up ;; most of the time, but it's not foolproof. (when l-opt (goto-char beg) (goto-char (line-beginning-position)) (while (re-search-forward ls-regexp nil t) (replace-match (format "%4s" (match-string 1)) nil nil nil 1) (replace-match (format "%9s" (match-string 2)) nil nil nil 2) (forward-line 1))) ;; Find all the complete lines in the unprocessed ;; output and process it to add text properties. (goto-char (point-max)) (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)) (inhibit-read-only t)) (if (buffer-name buf) (with-current-buffer buf (let ((buffer-read-only nil)) (save-excursion (goto-char (point-max)) (let ((point (point))) (insert "\n find " state) (forward-char -1) ;Back up before \n at end of STATE. (insert " at " (substring (current-time-string) 0 19)) (dired-insert-set-properties point (point))) (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