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226 lines
8.0 KiB
EmacsLisp
226 lines
8.0 KiB
EmacsLisp
;;; find-dired.el --- run a `find' command and dired the output
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;;; Copyright (C) 1992 Free Software Foundation, Inc.
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;; Author: Roland McGrath <roland@gnu.ai.mit.edu>,
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;; Sebastian Kremer <sk@thp.uni-koeln.de>
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;; Maintainer: Sebastian Kremer <sk@thp.uni-koeln.de>
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;; Keywords: unix
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(defconst find-dired-version (substring "$Revision: 1.10 $" 11 -2)
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"$Id: find-dired.el,v 1.10 1992/09/27 01:24:00 roland Exp eric $")
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;;; This program 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 1, or (at your option)
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;;; any later version.
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;;;
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;;; This program 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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;;;
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;;; A copy of the GNU General Public License can be obtained from this
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;;; program's author (send electronic mail to roland@ai.mit.edu) or from
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;;; the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA
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;;; 02139, USA.
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;;;
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;;; Commentary:
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;; LISPDIR ENTRY for the Elisp Archive ===============================
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;; LCD Archive Entry:
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;; find-dired|Roland McGrath, Sebastian Kremer
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;; |roland@gnu.ai.mit.edu, sk@thp.uni-koeln.de
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;; |Run a `find' command and dired the output
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;; |$Date: 1992/09/27 01:24:00 $|$Revision: 1.10 $|
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;; INSTALLATION ======================================================
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;; To use this file, byte-compile it, install it somewhere in your
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;; load-path, and put:
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;; (autoload 'find-dired "find-dired" nil t)
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;; (autoload 'find-name-dired "find-dired" nil t)
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;; (autoload 'find-grep-dired "find-dired" nil t)
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;; in your ~/.emacs, or site-init.el, etc.
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;; To bind it to a key, put, e.g.:
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;;
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;; (global-set-key "\C-cf" 'find-dired)
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;; (global-set-key "\C-cn" 'find-name-dired)
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;; (global-set-key "\C-cl" 'find-grep-dired)
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;;
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;; in your ~/.emacs.
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;;; Code:
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(require 'dired)
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;;;###autoload
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(defvar find-ls-option (if (eq system-type 'berkeley-unix) "-ls"
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"-exec ls -ldi {} \\;")
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"*Option to `find' to produce an `ls -l'-type listing.")
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;;;###autoload
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(defvar find-grep-options (if (eq system-type 'berkeley-unix) "-s" "-l")
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"*Option to grep to be as silent as possible.
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On Berkeley systems, this is `-s', for others it seems impossible to
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suppress all output, so `-l' is used to print nothing more than the
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file name.")
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(defvar find-args nil
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"Last arguments given to `find' by \\[find-dired].")
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;;;###autoload
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(defun find-dired (dir args)
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"Run `find' and go into dired-mode on a buffer of the output.
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The command run (after changing into DIR) is
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find . \\( ARGS \\) -ls"
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(interactive (list (read-file-name "Run find in directory: " nil "" t)
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(if (featurep 'gmhist)
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(read-with-history-in 'find-args-history
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"Run find (with args): ")
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(read-string "Run find (with args): " find-args))))
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;; Expand DIR ("" means default-directory), and make sure it has a
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;; trailing slash.
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(setq dir (file-name-as-directory (expand-file-name dir)))
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;; Check that it's really a directory.
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(or (file-directory-p dir)
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(error "find-dired needs a directory: %s" dir))
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(switch-to-buffer (get-buffer-create "*Find*"))
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(widen)
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(kill-all-local-variables)
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(setq buffer-read-only nil)
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(erase-buffer)
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(setq default-directory dir
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find-args args ; save for next interactive call
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args (concat "find . "
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(if (string= args "")
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""
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(concat "\\( " args " \\) "))
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find-ls-option))
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;; The next statement will bomb in classic dired (no optional arg allowed)
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;; find(1)'s -ls corresponds to these switches.
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;; Note -b, at least GNU find quotes spaces etc. in filenames
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(dired-mode dir "-gilsb")
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;; Set subdir-alist so that Tree Dired will work:
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(if (fboundp 'dired-simple-subdir-alist)
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;; will work even with nested dired format (dired-nstd.el,v 1.15
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;; and later)
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(dired-simple-subdir-alist)
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;; else we have an ancient tree dired (or classic dired, where
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;; this does no harm)
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(set (make-local-variable 'dired-subdir-alist)
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(list (cons default-directory (point-min-marker)))))
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(setq buffer-read-only nil)
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;; Subdir headlerline must come first because the first marker in
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;; subdir-alist points there.
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(insert " " dir ":\n")
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;; Make second line a ``find'' line in analogy to the ``total'' or
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;; ``wildcard'' line.
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(insert " " args "\n")
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;; Start the find process
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(set-process-filter (start-process-shell-command "find"
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(current-buffer) args)
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(function find-dired-filter))
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(set-process-sentinel (get-buffer-process (current-buffer))
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(function find-dired-sentinel))
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(setq mode-line-process '(": %s")))
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;;;###autoload
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(defun find-name-dired (dir pattern)
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"Search DIR recursively for files matching the globbing pattern PATTERN,
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and run dired on those files.
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PATTERN is a shell wildcard (not an Emacs regexp) and need not be quoted.
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The command run (after changing into DIR) is
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find . -name 'PATTERN' -ls"
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(interactive
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"DFind-name (directory): \nsFind-name (filename wildcard): ")
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(find-dired dir (concat "-name '" pattern "'")))
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;; This functionality suggested by
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;; From: oblanc@watcgl.waterloo.edu (Olivier Blanc)
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;; Subject: find-dired, lookfor-dired
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;; Date: 10 May 91 17:50:00 GMT
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;; Organization: University of Waterloo
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(fset 'lookfor-dired 'find-grep-dired)
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;;;###autoload
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(defun find-grep-dired (dir args)
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"Find files in DIR containing a regexp ARG and start Dired on output.
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The command run (after changing into DIR) is
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find . -exec grep -s ARG {} \\\; -ls
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Thus ARG can also contain additional grep options."
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(interactive "DFind-grep (directory): \nsFind-grep (grep args): ")
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;; find -exec doesn't allow shell i/o redirections in the command,
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;; or we could use `grep -l >/dev/null'
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(find-dired dir
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(concat "! -type d -exec grep " find-grep-options " "
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args " {} \\\; ")))
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(defun find-dired-filter (proc string)
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;; Filter for \\[find-dired] processes.
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(let ((buf (process-buffer proc)))
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(if (buffer-name buf) ; not killed?
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(save-excursion
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(set-buffer buf)
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(save-restriction
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(widen)
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(save-excursion
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(let ((buffer-read-only nil)
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(end (point-max)))
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(goto-char end)
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(insert string)
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(goto-char end)
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(or (looking-at "^")
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(forward-line 1))
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(while (looking-at "^")
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(insert " ")
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(forward-line 1))
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;; Convert ` ./FILE' to ` FILE'
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;; This would lose if the current chunk of output
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;; starts or ends within the ` ./', so backup up a bit:
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(goto-char (- end 3)) ; no error if < 0
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(while (search-forward " ./" nil t)
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(delete-region (point) (- (point) 2)))))))
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;; The buffer has been killed.
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(delete-process proc))))
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(defun find-dired-sentinel (proc state)
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;; Sentinel for \\[find-dired] processes.
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(let ((buf (process-buffer proc)))
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(if (buffer-name buf)
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(save-excursion
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(set-buffer buf)
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(setq mode-line-process nil)
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(message "find-dired %s finished." (current-buffer))))))
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(or (fboundp 'start-process-shell-command)
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;; From version 19 subr.el.
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(defun start-process-shell-command (name buffer &rest args)
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"Start a program in a subprocess. Return the process object for it.
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Args are NAME BUFFER COMMAND &rest COMMAND-ARGS.
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NAME is name for process. It is modified if necessary to make it unique.
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BUFFER is the buffer or (buffer-name) to associate with the process.
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Process output goes at end of that buffer, unless you specify
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an output stream or filter function to handle the output.
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BUFFER may be also nil, meaning that this process is not associated
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with any buffer
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Third arg is command name, the name of a shell command.
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Remaining arguments are the arguments for the command.
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Wildcards and redirection are handle as usual in the shell."
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(if (eq system-type 'vax-vms)
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(apply 'start-process name buffer args)
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(start-process name buffer shell-file-name "-c"
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(concat "exec " (mapconcat 'identity args " "))))))
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(provide 'find-dired)
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;;; find-dired.el ends here
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