(dired-find-file): Error if line's file does not exist.

c439687b · Richard M. Stallman · 9663837a · c439687b
Commit c439687b authored Oct 31, 1996 by Richard M. Stallman
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lisp/dired.el lisp/dired.el +4 -1

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--- a/lisp/dired.el
+++ b/lisp/dired.el
@@ -1173,7 +1173,10 @@ Creates a buffer if necessary."
 (defun dired-find-file ()
  "In dired, visit the file or directory named on this line."
  (interactive)
-  (find-file (file-name-sans-versions (dired-get-filename) t)))
+  (let ((file-name (file-name-sans-versions (dired-get-filename) t)))
+    (if (file-exists-p file-name)
+	(find-file file-name)
+      (error "File no longer exists; type `g' to update Dired buffer"))))

 (defun dired-mouse-find-file-other-window (event)
  "In dired, visit the file or directory name you click on."