grep branch, master, updated. v3.7-65-ga7c8349

[Paul Eggert]

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http://git.savannah.gnu.org/cgit/grep.git/commit/?id=a7c8349894d24cf50e19ae4a6b10fa89d1fd9d87


commit a7c8349894d24cf50e19ae4a6b10fa89d1fd9d87
Author: Paul Eggert <eggert@cs.ucla.edu>
Date:   Mon May 16 12:18:26 2022 -0700

    grep: document -m better
    
    * doc/grep.in.1, doc/grep.texi: Document behavior of -m 0 and -m -1.
    This documents longstanding behavior, and is consistent with
    how git grep -m will likely behave.

diff --git a/doc/grep.in.1 b/doc/grep.in.1
index aba085a..5ba90ee 100644
--- a/doc/grep.in.1
+++ b/doc/grep.in.1
@@ -321,6 +321,16 @@ Scanning each input file stops upon first match.
 Stop reading a file after
 .I NUM
 matching lines.
+If
+.I NUM
+is zero,
+.B grep
+stops right away without reading input.
+A
+.I NUM
+of \-1 is treated as infinity and
+.B grep
+does not stop; this is the default.
 If the input is standard input from a regular file,
 and
 .I NUM
diff --git a/doc/grep.texi b/doc/grep.texi
index b9688c8..b073fa7 100644
--- a/doc/grep.texi
+++ b/doc/grep.texi
@@ -341,6 +341,10 @@ Scanning each input file stops upon first match.
 @opindex --max-count
 @cindex max-count
 Stop after the first @var{num} selected lines.
+If @var{num} is zero, @command{grep} stops right away without reading input.
+A @var{num} of @minus{}1 is treated as infinity and @command{grep}
+does not stop; this is the default.
+
 If the input is standard input from a regular file,
 and @var{num} selected lines are output,
 @command{grep} ensures that the standard input is positioned

-----------------------------------------------------------------------

Summary of changes:
 doc/grep.in.1 | 10 ++++++++++
 doc/grep.texi |  4 ++++
 2 files changed, 14 insertions(+)


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