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# /GREP [-i] [-w] [-v] [-F] <perl-regexp> <command to run>
#
# -i: match case insensitive
# -w: only print matches that form whole words
# -v: Invert the sense of matching, to print non-matching lines.
# -F: match as a fixed string, not a regexp
#
# if you want /FGREP, do: /alias FGREP GREP -F
use Irssi;
use strict;
use Text::ParseWords;
use vars qw($VERSION %IRSSI);
$VERSION = "2.1";
%IRSSI = (
authors => "Timo \'cras\' Sirainen, Wouter Coekaerts",
contact => "tss\@iki.fi, wouter\@coekaerts.be",
name => "grep",
description => "/GREP [-i] [-w] [-v] [-F] <perl-regexp> <command to run>",
license => "Public Domain",
url => "http://wouter.coekaerts.be/irssi/",
changed => "2008-01-13"
);
my ($match, $v);
sub sig_text {
my ($dest, $text, $stripped_text) = @_;
Irssi::signal_stop() if (($stripped_text =~ /$match/) == $v);
}
sub cmd_grep {
my ($data,$server,$item) = @_;
my ($option,$cmd,$i,$w,$F);
$v = 0;
$F = 0;
# split the arguments, keep quotes
my (@args) = "ewords(' ', 1, $data);
# search for options
while ($args[0] =~ /^-/) {
$option = shift(@args);
if ($option eq '-i') {$i = 1;}
elsif ($option eq '-v') {$v = 1;}
elsif ($option eq '-w') {$w = 1;}
elsif ($option eq '-F') {$F = 1;}
else {
Irssi::print("Unknown option: $option",MSGLEVEL_CLIENTERROR);
return;
}
}
# match = first argument, but remove quotes
($match) = "ewords(' ', 0, shift(@args));
# cmd = the rest (with quotes)
$cmd = join(' ',@args);
# check if the regexp is valid
eval { qr/$match/ };
if($@) { # there was an error
chomp $@;
Irssi::print($@,MSGLEVEL_CLIENTERROR);
return;
}
if ($F) {
$match =~ s/(\(|\)|\[|\]|\{|\}|\\|\*|\.|\?|\|)/\\$1/g;
}
if ($w) {
$match = '\b' . $match . '\b';
}
if ($i) {
$match = '(?i)' . $match;
}
Irssi::signal_add_first('print text', 'sig_text');
Irssi::signal_emit('send command', $cmd, $server, $item);
Irssi::signal_remove('print text', 'sig_text');
}
Irssi::command_bind('grep', 'cmd_grep');
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