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grep: add --break

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With --break, an empty line is printed between matches from different
files, increasing readability.  This option is taken from ack
(http://betterthangrep.com/).

Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
René Scharfe
2011-06-05 17:24:25 +02:00
committed by Junio C Hamano
parent 08303c3636
commit a8f0e7649e
5 changed files with 40 additions and 3 deletions
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4
builtin/grep.c
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@ -822,6 +822,8 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
OPT_BOOLEAN('c', "count", &opt.count,
"show the number of matches instead of matching lines"),
OPT__COLOR(&opt.color, "highlight matches"),
OPT_BOOLEAN(0, "break", &opt.file_break,
"print empty line between matches from different files"),
OPT_GROUP(""),
OPT_CALLBACK('C', NULL, &opt, "n",
"show <n> context lines before and after matches",
@ -976,7 +978,7 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
use_threads = 0;
if (use_threads) {
if (opt.pre_context || opt.post_context)
if (opt.pre_context || opt.post_context || opt.file_break)
skip_first_line = 1;
start_threads(&opt);
}