From: Jim Meyering <jim@meyering.net>
Date: Mon, 10 Mar 1997 03:47:13 +0000 (+0000)
Subject: comm's exit status
X-Git-Tag: SH-UTILS-1_16a~191
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=de397548a8caf7ce2d4c69479aa5c6abf9505c84;p=thirdparty%2Fcoreutils.git

comm's exit status
---

diff --git a/doc/textutils.texi b/doc/textutils.texi
index c08e1c0d1f..b9d3046b84 100644
--- a/doc/textutils.texi
+++ b/doc/textutils.texi
@@ -2169,6 +2169,11 @@ Columns are separated by @key{TAB}.
 The options @samp{-1}, @samp{-2}, and @samp{-3} suppress printing of
 the corresponding columns.  Also see @ref{Common options}.
 
+Unlike some other comparison utilities, @code{comm} has an exit
+status that does not depend on the result of the comparison.
+Upon normal completion @code{comm} produces an exit code of zero.
+If there is an error it exits with nonzero status.
+
 
 @node Operating on fields within a line
 @chapter Operating on fields within a line