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Build # 11820671932

Build Type

push

github

Committed by web-flow

Commit Message

grep: implement -A context option

* Show non-matching context lines after a matching line
* A new match may occur within the context lines being displayed; this resets the context counter unless the match limit (-m value) was already reached
* Display a line of "--" to indicate the end of the context block
* If -A is used with -n, follow line number with '-' instead of ':' to indicate context lines
* When -A is used with -m, terminate the search at the end of the context and not the exact line triggering match limit

%perl grep -n -A 8 perl ar # test1: context bleeds into the line8 match
1:#!/usr/bin/perl
2-
3-=begin metadata
4-
5-Name: ar
6-Description: create and maintain library archives
7-Author: dkulp
8:License: perl
9-
10-=end metadata
11-
12-=cut
13-
14-use strict;
15-
16-use POSIX qw(strftime);
--
%perl grep -n -A 8 -m 1 perl ar # test2: line8 match doesn't count due to -m1 limit
1:#!/usr/bin/perl
2-
3-=begin metadata
4-
5-Name: ar
6-Description: create and maintain library archives
7-Author: dkulp
8:License: perl
9-
--
%perl grep -A 4 perl ar # test3: no -n
#!/usr/bin/perl

=begin metadata

Name: ar
--
License: perl

=end metadata

=cut
--

Coverage Stats

350 of 479 relevant lines covered (73.07%)

4736.89 hits per line