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| author | Paul Eggert <eggert@cs.ucla.edu> | 2016-11-19 01:58:45 -0800 |
|---|---|---|
| committer | Paul Eggert <eggert@cs.ucla.edu> | 2016-11-19 01:59:24 -0800 |
| commit | 16c0d20ba4923c496ef4e499319b6d18ca81711a (patch) | |
| tree | aff5ebbdad483e109fb77e8828d62198b162318e | |
| parent | 92b41d7e9c4df1e3cbcdb3fcc955636e76edb8cf (diff) | |
| download | grep-16c0d20ba4923c496ef4e499319b6d18ca81711a.tar.gz | |
grep: document -oz better
* doc/grep.texi (General Output Control, Usage): Tweak (Bug#24961).
| -rw-r--r-- | doc/grep.texi | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/doc/grep.texi b/doc/grep.texi index ac821b47..9af13c42 100644 --- a/doc/grep.texi +++ b/doc/grep.texi @@ -355,6 +355,9 @@ When the @option{-v} or @option{--invert-match} option is also used, @cindex only matching Print only the matched (non-empty) parts of matching lines, with each such part on a separate output line. +Output lines use the same delimiters as input, and delimiters are null +bytes if @option{-z} (@option{--null-data}) is also used (@pxref{Other +Options}). @item -q @itemx --quiet @@ -1768,7 +1771,7 @@ Therefore, merely using the @code{[:space:]} character class does not match newlines in the way you might expect. With the GNU @command{grep} option @option{-z} (@option{--null-data}), each -input ``line'' is terminated by a null byte; @pxref{Other Options}. Thus, +input and output ``line'' is null-terminated; @pxref{Other Options}. Thus, you can match newlines in the input, but typically if there is a match the entire input is output, so this usage is often combined with output-suppressing options like @option{-q}, e.g.: |