xml-file:
<exec>
  <tc id="001.001" />
  <tc id="002.001" />
  <tc id="004.001" />
  <tc id="005.001" />
  <tc id="006.001" />
  <tc id="007.001" />
  <tc id="008.001" />
  <tc id="009.001" />
</exec>

perl-code:
my $xmlfile = new XML::Simple (Outputfile => $conf,
					 ForceArray => 1,
					 Keyattr => 'id',
                           	 RootName=>'exec');
my $xml = $xmlfile->XMLin($conf);

$xml->{'dut'}->{'ipaddress'} = "$ipaddress";
$xml->{'dut'}->{'macaddress'} = "$Macaddress";
$xml->{'dut'}->{'model'} = "$ProdShortName";
$xml->{'dut'}->{'frimware'} = "$Firmware_Version";

##</code><code>##

Pseudo-hashes are deprecated at ember.pl line 39.
Argument "\x{31}\x{37}..." isn't numeric in hash element at ember.pl line 39.