diff options
Diffstat (limited to 'gnu/usr.bin/diff')
-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 |