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| author | ceri <ceri@FreeBSD.org> | 2004-02-01 13:52:19 +0000 |
|---|---|---|
| committer | ceri <ceri@FreeBSD.org> | 2004-02-01 13:52:19 +0000 |
| commit | b5ad8f097f3e6536092e25b95963c148bedc8d2c (patch) | |
| tree | 16fa3330a8146b9f02c7111e3b1466247518802a /gnu | |
| parent | 5edb78e87d0e38ce42c0b7396eabaaac037d1304 (diff) | |
| download | FreeBSD-src-b5ad8f097f3e6536092e25b95963c148bedc8d2c.zip FreeBSD-src-b5ad8f097f3e6536092e25b95963c148bedc8d2c.tar.gz | |
Add a section documenting the return values from diff.
PR: docs/59991
Submitted by: keramida,Erik Greenwald <erik@smluc.org>
MFC After: 1 week
Diffstat (limited to 'gnu')
| -rw-r--r-- | gnu/usr.bin/diff/diff.1 | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/gnu/usr.bin/diff/diff.1 b/gnu/usr.bin/diff/diff.1 index 0164f23..f04d90f 100644 --- a/gnu/usr.bin/diff/diff.1 +++ b/gnu/usr.bin/diff/diff.1 @@ -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 |
