use strict;
use XML::Simple;
use Data::Dumper;

my $xs = new XML::Simple(forcearray => 1,
                         forcecontent => 1,
                         contentkey => '_content',
                         keyattr => []);

my $xml;
{
    local $/ = undef;
    $xml = <DATA>;
}

my $xmlHash = $xs->XMLin($xml);
print "xmlHash:\n" . Dumper($xmlHash);

__DATA__
<?xml version="1.0" encoding="iso-8859-1"?>
<hosts>
  <server os="linux" type="redhat" version="8.0">
    <address>192.168.0.1</address>
    <address>192.168.0.2</address>
  </server>
  <server address="192.168.2.100" os="linux" type="conectiva" version="9.0"/>
</hosts>

##</code><code>##

xmlHash:
$VAR1 = {
          'server' => [
                        {
                          'os' => 'linux',
                          'address' => [
                                         {
                                           '_content' => '192.168.0.1'
                                         },
                                         {
                                           '_content' => '192.168.0.2'
                                         }
                                       ],
                          'version' => '8.0',
                          'type' => 'redhat'
                        },
                        {
                          'os' => 'linux',
                          'address' => '192.168.2.100',
                          'version' => '9.0',
                          'type' => 'conectiva'
                        }
                      ]
        };