(dired-do-chmod): Change to use the built-in `set-file-modes' and the

symbolic mode parsing functions.

1 files changed, 13 insertions, 2 deletions

diff --git a/lisp/dired-aux.el b/lisp/dired-aux.el
index 124c53b44c5..f904238c8fa 100644
--- a/lisp/dired-aux.el
+++ b/lisp/dired-aux.el
@@ -253,9 +253,20 @@ List has a form of (file-name full-file-name (attribute-list))"
 ;;;###autoload
 (defun dired-do-chmod (&optional arg)
   "Change the mode of the marked (or next ARG) files.
-This calls chmod, thus symbolic modes like `g+w' are allowed."
+Symbolic modes like `g+w' are allowed."
   (interactive "P")
-  (dired-do-chxxx "Mode" dired-chmod-program 'chmod arg))
+  (let* ((files (dired-get-marked-files t arg))
+	 (modes (dired-mark-read-string
+		 "Change mode of %s to: " nil
+		 'chmod arg files))
+	 (num-modes (if (string-match "^[0-7]+" modes)
+			(string-to-number modes 8))))
+    (dolist (file files)
+      (set-file-modes
+       file
+       (if num-modes num-modes
+	 (file-modes-symbolic-to-number modes (file-modes file)))))
+    (dired-do-redisplay arg)))
 
 ;;;###autoload
 (defun dired-do-chgrp (&optional arg)