#!/usr/bin/perl
use warnings;
use strict;
use feature qw{ say };

use XML::LibXML;

my $dom = 'XML::LibXML'->load_xml(location => '1.xml', load_ext_dtd => 0);
my $xpc = 'XML::LibXML::XPathContext'->new;
$xpc->registerNs(xh => 'http://www.w3.org/1999/xhtml');
for my $div ($xpc->findnodes('//xh:div[@class="data"]', $dom)) {
    print $div->{id}, "\n"
}


##</code><code>##

for my $div ($xpc->findnodes('//xh:div', $dom)) {
    print join ' ', @{ $div }{qw{ id class }}, "\n"
}


##</code><code>##

($q=q:Sq=~/;[c](.)(.)/;chr(-||-|5+lengthSq)`"S|oS2"`map{chr |+ord
}map{substrSq`S_+|`|}3E|-|`7**2-3:)=~y+S|`+$1,++print+eval$q,q,a,