#!/usr/bin/perl -w
use strict;
use CGI qw(:standard :cgi-lib);
use LWP::Simple;
my $url = "http://perlmonks.org/index.pl?node_id=110166";
my $html = get $url or die "could not get $!";
my %names;
while ($html =~ s/=(\d*?)&lastnode_id=110166">[^<]*<\/A>
by (.*?)<\/A> on \w{3} \d{2}, \d{4} at \d{2}:\d{2}//s) {
$names{$2} = $1 unless $names{$2};
}