Add a section documenting the return values from diff.

PR:		docs/59991
Submitted by:	keramida,Erik Greenwald <erik@smluc.org>
MFC After:	1 week

This commit is contained in:

Ceri Davies

2004-02-01 13:52:19 +00:00

parent cf3b2baf6d

commit 92f367e5f2

1 changed files with 5 additions and 0 deletions

									
										gnu/usr.bin/diff/diff.1
									
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				@@ -474,6 +474,11 @@ match any pattern contained in

				.TP

				.B \-y

				Use the side by side output format.

				.SH RETURN VALUE

				.I diff

				returns 0 if the files are identical or 1 if the files differ.

				If one or both of the files cannot be opened,

				then the return value is set to 2.

				.SH ENVIRONMENT

				The environment variable

				.B DIFF_OPTIONS