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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;
my $HELP_SUMMARY = "GREP [-i] [-w] [-v] [-F] <perl-regex> /irssi-command";
our $VERSION = "2.1";
our %IRSSI = (
authors => "Timo 'cras' Sirainen, Wouter Coekaerts, Tom Feist",
contact => 'tss@iki.fi, wouter@coekaerts.be',
name => "grep",
description => $HELP_SUMMARY,
license => "Public Domain",
url => "http://wouter.coekaerts.be/irssi/",
changed => "2012-02-02"
);
my $HELP_TEXT
= [ $HELP_SUMMARY,
"",
"The following options are supported:",
" \x{02}-i\x{02}: match case insensitively",
" \x{02}-w\x{02}: only print matches that form whole words",
" \x{02}-v\x{02}: Invert the sense of matching, to print non-matching lines.",
" \x{02}-F\x{02}: match as a fixed string, not a regexp",
"",
"Examples:",
"",
" \x{02}*\x{02} /GREP -i bacon /echo I LOVE BACON",
"",
"if you want /FGREP, do: /alias FGREP GREP -F"
];
my $match_pattern;
my $match_count = 0;
my $options = { };
sub sig_grep_text {
my ($dest, $text, $stripped_text) = @_;
if ($stripped_text =~ $match_pattern) {
if (not $options->{'-v'}) {
$match_count++;
return;
}
}
Irssi::signal_stop;
}
sub cmd_grep {
my ($data, $server, $item) = @_;
if ($data =~ m/^\s*$/) {
Irssi::print("\x{02}GREP Error\x{02} Invalid arguments. "
. "Usage: $HELP_SUMMARY", MSGLEVEL_CLIENTERROR);
return;
}
$options = { map { $_ => 0 } qw/-i -v -w -F/ };
# split the arguments, keep quotes
my @args = quotewords(' ', 1, $data);
# search for options
while ($args[0] =~ /^-\w/) {
my $opt_arg = shift @args;
if (exists $options->{$opt_arg}) {
$options->{$opt_arg} = 1;
} else {
Irssi::print("Unknown option: $opt_arg", MSGLEVEL_CLIENTERROR);
return;
}
}
# match = first argument, but remove quotes
my ($match_str) = quotewords(' ', 0, shift @args);
print "Match string >>$match_str<<";
# cmd = the rest (with quotes)
my $cmd = join(' ', @args);
print "CMD >>$cmd<<";
if ($options->{'-F'}) {
$match_str = quotemeta($match_str);
}
if ($options->{'-w'}) {
$match_str = '\b' . $match_str . '\b';
}
if ($options->{'-i'}) {
$match_str = '(?i)' . $match_str;
}
$match_pattern = eval {
qr/$match_str/;
};
if ($@) {
chomp $@;
Irssi::print("\x{02}Invalid pattern\x{02}: $@", MSGLEVEL_CLIENTERROR);
return;
}
$match_count = 0;
Irssi::signal_add_first('print text', 'sig_grep_text');
Irssi::signal_emit('send command', $cmd, $server, $item);
Irssi::signal_remove('print text', 'sig_grep_text');
if ($match_count > 0) {
Irssi::print(sprintf("Matched %d entr%s", $match_count,
$match_count == 1?"y":"ies"),
MSGLEVEL_CLIENTCRAP);
} else {
Irssi::print("No matches", MSGLEVEL_CLIENTCRAP);
}
}
sub cmd_help_intercept_grep {
if ($_[0] =~ m/grep/i) {
Irssi::print($_, MSGLEVEL_CLIENTCRAP) for (@$HELP_TEXT);
Irssi::signal_stop;
}
}
Irssi::command_bind('grep', 'cmd_grep');
Irssi::command_bind('help', 'cmd_help_intercept_grep');
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