use strict;
use warnings;
use Data::Dumper;
use XML::DOM;

my $parser=new XML::DOM::Parser;

my $doc=$parser->parsefile('C:\perl\perl_tests\xmlin.xml') or die$!;
my $root=$doc->getDocumentElement();

my @address=$root->getElementsByTagName("address");

foreach my $address(@address)
{
    if($address->getAttribute("name") eq "tayal")
    {
	    if($address->getAttribute("id")=='70889')
		{
		 $address->setAttribute("name","Joey");
		 $address->setAttribute("id","67890");
		 $address->setAttribute("flags","4");
		 my $temp1=$address->getAttribute("name");
		 my $temp2=$address->getAttribute("id");
		 my $temp3=$address->getAttribute("flags");
		 print("$temp1\n\n");
         print("$temp2\n\n");
	     print("$temp3\n\n");
		 my $temp_item=$root->createElement("item");
		 my $temp_data=$root->createElement("data");
		 my $child1=$address->appendChild($temp_item);
		 $child1->setAttribute("used","1");
		 $child1->setAttribute("order","0");
		 my $g=$child1->getAttribute("used");
		 my $h=$child1->getAttribute("order");
		 print("$g\t$h\n");
		 my $child2=$child1->appendChild($temp_data);
		 $child2->setAttribute("typeid","4");
		 my $k=$child2->getAttribute("typeid");
		 print("$k\n");
		 }
	}

}
$doc->setXMLDecl($doc->createXMLDecl('1.0','UTF-8'));
$doc->printToFile("C:/perl/perl_tests/xmlin2.xml");
$doc->dispose;







XML FILE :

<config logdir="var/log/foo/" debugfile="tmp/foo.debug">
<server name ="sahara" osname ="solaris" osversion="2.6">
<address name="ankit" id="70888"/>
<address name="tayal" id="70889"/>
</server>
<server name="gobi" osname="irix" osversion="6.5">
<address name="anshul" id="70689"/>
</server>
<server name="kalahari" osname="linus" osversion="2.0.34">
<address name="raghu" id="45678"/>
<address name="lucky" id="67895"/>
</server>
</config>