#!/usr/bin/perl
use warnings;
use strict;
use feature qw{ say };
use XML::LibXML;
for my $other_title (
'',
'old value',
) {
my $xml = qq(
$other_title
);
my $dom = 'XML::LibXML'->load_xml(string => $xml);
my ($other_title) = $dom->findnodes('//file/body/group/unit/alt-title/otherTitle');
if ($other_title->findnodes('text()')) {
$other_title->removeChildNodes;
}
$other_title->appendText('new value');
print $dom;
}
####
($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,