#!/usr/bin/perl
# This program will print out the title of an HTML document.
use strict;
use warnings;
use HTML::Parser ();
sub title_handler {
    my $self = shift;
    $self->handler(text => sub { print @_ }, "dtext");
    $self->handler(end  => "eof",            "self");
}
my $p = HTML::Parser->new(
    api_version => 3,
    start_h     => [\&title_handler, "self"],
    report_tags => ['title'],
);
$p->parse_file(shift || die) || die $!;
print "\n";