Ibuffer: Mark buffers by content

[gnu-emacs] / lisp / dired.el

diff --git a/lisp/dired.el b/lisp/dired.el
index 6c7445c348680d4fcaaa825024578f8e537fd90a..d078478aaaff1c616dc5b2228c066059db2532f3 100644 (file)
--- a/lisp/dired.el
+++ b/lisp/dired.el
@@ -303,7 +303,7 @@ The directory name must be absolute, but need not be fully expanded.")
 
 (put 'dired-actual-switches 'safe-local-variable 'dired-safe-switches-p)
 
-(defvar dired-re-inode-size "[0-9 \t]*"
+(defvar dired-re-inode-size "[0-9  \t]*[.,0-9]*[BkKMGTPEZY]?[ \t]*"
   "Regexp for optional initial inode and file size as made by `ls -i -s'.")
 
 ;; These regexps must be tested at beginning-of-line, but are also
@@ -2740,9 +2740,18 @@ instead of `dired-actual-switches'."
                 (save-excursion
                   (goto-char (point-min))
                   (dired-goto-file-1 file file (point-max)))
-                ;; Otherwise, look for it as a relative name.  The
-                ;; hair is to get the result of `dired-goto-subdir'
-                ;; without calling it if we don't have any subdirs.
+                 ;; Next, look for it as a relative name with leading
+                 ;; subdirectories.  (This happens in Dired buffers
+                 ;; created by find-dired, for example.)
+                 (save-excursion
+                   (goto-char (point-min))
+                   (dired-goto-file-1 (file-relative-name file
+                                                          default-directory)
+                                      file (point-max)))
+                ;; Otherwise, look for it as a relative name, a base
+                ;; name only.  The hair is to get the result of
+                ;; `dired-goto-subdir' without calling it if we don't
+                ;; have any subdirs.
                 (save-excursion
                   (when (if (string= dir (expand-file-name default-directory))
                             (goto-char (point-min))
@@ -3348,7 +3357,12 @@ object files--just `.o' will mark more than you might think."
 (defun dired-mark-files-containing-regexp (regexp &optional marker-char)
   "Mark all files with contents containing REGEXP for use in later commands.
 A prefix argument means to unmark them instead.
-`.' and `..' are never marked."
+`.' and `..' are never marked.
+
+Note that if a file is visited in an Emacs buffer, this command will
+look in the buffer without revisiting the file, so the results might
+be inconsistent with the file on disk if its contents has changed
+since it was last visited."
   (interactive
    (list (read-regexp (concat (if current-prefix-arg "Unmark" "Mark")
                               " files containing (regexp): ")