#!/perl/bin/perl -w

use strict;
use XML::Twig;

my $twig= new XML::Twig;

open( XML_OUT, ">output.xml") or die $!;

$twig->parsefile( "RoamAboutAP_173.253.52.82.xml");
my $root= $twig->root; 
my @ds= $root->children;   

foreach my $attr (@ds) { 

	my $look = $attr->parent('rrd')->text;
	print $look;
	
	my $blg= sprintf( "TESTING PLACEMENT");          
	my $eblg= new XML::Twig::Elt( 'Average', $blg); 
	$eblg->paste( 'first_child', $attr);
}

# $twig->set_pretty_print('indented');
$twig->print( \*XML_OUT);

close XML_OUT;

##</code><code>##

- <rrd>
  <version>0001</version> 
  <step>300</step> 
- <!--  Seconds 
  --> 
  <lastupdate>1042244888</lastupdate> 
- <!--  2003-01-10 19:28:08 Eastern Standard Time 
  --> 
- <ds>
  <name>ifOutOctets1</name> 
  <type>COUNTER</type> 
  <minimal_heartbeat>600</minimal_heartbeat> 
  <min>NaN</min> 
  <max>NaN</max> 
- <!--  PDP Status 
  --> 
  <last_ds>1636141175</last_ds> 
  <value>6.2416000000e+002</value> 
  <unknown_sec>0</unknown_sec> 
  </ds>
- <!--  Round Robin Archives 
  --> 
- <rra>
  <cf>AVERAGE</cf> 
  <pdp_per_row>1</pdp_per_row> 
- <!--  300 seconds 
  --> 
  <xff>5.0000000000e-001</xff> 
- <cdp_prep>
- <ds>
  <value>NaN</value> 
  <unknown_datapoints>0</unknown_datapoints> 
  </ds>
- <ds>
  <value>NaN</value> 
  <unknown_datapoints>0</unknown_datapoints> 
  </ds>
  </cdp_prep>
- <database>
- <!--  2003-01-08 17:30:00 Eastern Standard Time / 1042065000 
  --> 
- <row>
  <v>NaN</v> 
  <v>NaN</v> 
  <v>NaN</v> 
  <v>NaN</v> 
  </row>
- <!--  2003-01-08 17:35:00 Eastern Standard Time / 1042065300 
  --> 
- <row>
  <v>6.3173066667e+001</v> 
  <v>2.2418133333e+001</v> 
  <v>3.7560151111e+002</v> 
  <v>1.7984751111e+002</v> 
  </row>
- <!--  2003-01-10 19:25:00 Eastern Standard Time / 1042244700 
  --> 
- <row>
  <v>9.5548400000e+001</v> 
  <v>3.1534622222e+001</v> 
  <v>4.0781324444e+002</v> 
  <v>1.9573493333e+002</v> 
  </row>
  </database>
  </rra>
  </rrd>