From: Richard M. Stallman <rms@gnu.org>
Date: Tue, 25 May 1993 19:02:08 +0000 (+0000)
Subject: (dired-compress-file): Test the return value of dired-check-process properly.
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(dired-compress-file): Test the return value of dired-check-process properly.
---

diff --git a/lisp/dired-aux.el b/lisp/dired-aux.el
index 3cff0fc3ea7..f8503f2d07f 100644
--- a/lisp/dired-aux.el
+++ b/lisp/dired-aux.el
@@ -487,12 +487,12 @@ and use this command with a prefix argument (the value does not matter)."
 	  ((file-symlink-p file)
 	   nil)
 	  ((string-match "\\.Z$" file)
-	   (if (dired-check-process (concat "Uncompressing " file)
-				    "uncompress" file)
+	   (if (not (dired-check-process (concat "Uncompressing " file)
+					 "uncompress" file))
 	       (substring file 0 -2)))
 	  (t
-	   (if (dired-check-process (concat "Compressing " file)
-				    "compress" "-f" file)
+	   (if (not (dired-check-process (concat "Compressing " file)
+					 "compress" "-f" file))
 	       (concat name ".Z"))))))
 
 (defun dired-mark-confirm (op-symbol arg)