irssi/scripts/privmsg.pl

# listen PRIVMSGs - send a notice to yourself when your nick is meantioned

use Irssi;
use strict;

sub event_privmsg {
	my ($server, $data, $nick, $address) = @_;
	my ($target, $text) = $data =~ /^(\S*)\s:(.*)/;

	return if (!$server->ischannel($target));

	my $mynick = $server->{nick};
	return if ($text !~ /\b$mynick\b/);

	$server->command("/notice $mynick In channel $target, $nick!$address said: $text");
}

Irssi::signal_add("event privmsg", "event_privmsg");