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| -rw-r--r-- | doc/textutils.texi | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/doc/textutils.texi b/doc/textutils.texi index c08e1c0d1..b9d3046b8 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 |