How to read a XML file and Modify the same using PERL?

[GBR20]

Hi All:

I am new to Perl. I need to open a XML file and add few data in it using PERL. Could you please help me?

XML File:

<?xml version="1.0" encoding="ASCII "?>
<componentmanif est.application :ApplicationCon figuration xmi:version="2. 0" xmlns:xmi="http ://www.omg.org/XMI" xmlns:xsi="http ://www.w3.org/2001/XMLSchema-instance" xmlns:component manifest.applic ation="http:///componentmanife st/application.eco re" xmlns:component manifest.descri ption="http:///componentmanife st/description.eco re" xmi:id="Applica tionConfigurati on">
<description xmi:id="MediaRo otProcessAppCon fig.hbac_Descri ption">
<delegationPoin ts xsi:type="compo nentmanifest.de scription:PortD escription" xmi:id="Using_a pi/sys/data/pf/engineering/src/DSYSEngineering App_3.0.0_Engin eering" name="Engineeri ng" incomingConnect ors="_i0teQLTvE d-_huZVa1DFhQ">
<interface href="mocca:imp/nbt/mm/mmdebuginfo/src/PMMDebugInfoDev ImplManifest.hb cm#api/sys/data/pf/engineering/src/DSYSEngineering App_3.0.0"/>
</delegationPoint s>
<parameterProvi ders xsi:type="compo nentmanifest.de scription:Exter nalParameterIni tialization" xmi:id="_9oV2cM 89Ed6JTfPP1OWyv Q">
<requiredParame ter href="mocca:app configs/qnxintel/subsystems/NBTCommcoSubsys tem.hbsc#Parame terReference_Mm eGlobalBaseDevC trl_Config"/>
</parameterProvid ers>
<connectors xsi:type="compo nentmanifest.de scription:Assem blyConnector" xmi:id="_TUlewG yiEd-vxOnUAC_0Ig">
<source href="mocca:app configs/qnxintel/subsystems/NBTPresCtrlSubS ystem.hbsc#Port Reference_Multi mediaPlayerFron t_Using_api/mm/media/pf/src/DMMPlayerNav_6. 0.0_PlayEngineZ one1"/>
<target href="mocca:app configs/qnxintel/subsystems/NBTCommcoSubsys tem.hbsc#PortRe ference_PlayEng ineZone1_Provid ing_api/mm/media/pf/src/DMMPlayerNav_6. 1.0"/>
</connectors>
</description>
<deployments xsi:type="compo nentmanifest.ap plication:Appli cationDeploymen t" xmi:id="_LPnLMM 5_Ed6Bfp5E6XnJK w" name="Default">
<processes xmi:id="_Pn-6AM7JEd6IY6dYC1 rnCA" name="NBTMediaM ainApp" comment="">
<dsiThreads xmi:id="_VRqzAM 9QEd6g88g4Gh8Y2 w">
<send xmi:id="_VRqzAc 9QEd6g88g4Gh8Y2 w" watchdogTimeout ="60000"/>
<receive xmi:id="_VRqzAs 9QEd6g88g4Gh8Y2 w" watchdogTimeout ="60000"/>
</dsiThreads>
<subSystems href="mocca:app configs/qnxintel/subsystems/NBTPresCtrlSubS ystem.hbsc#SubS ystemDeployment "/>
<subSystems href="mocca:app configs/qnxintel/subsystems/NBTCommcoSubsys tem.hbsc#SubSys temDeployment"/>
<subSystems href="mocca:app configs/qnxintel/subsystems/NBTMediaOnOffSu bsystem.hbsc#Su bSystemDeployme nt"/>
</processes>
<frameworkConfi g xmi:id="_LBonAE VwEeCktOQek5zVi A" watchdogWarning Limit="75" frameworkThread PartitionName=" interaction">
<tracePersisten ce xmi:id="_RXZPME VwEeCktOQek5zVi A" headerFile="api/sys/tracesrv/pf/trace/src/CHBDefaultBinar yTracePersisten ce.hpp" className="CHBD efaultBinaryTra cePersistence"/>
<defaultThreadP arameters xmi:id="_b8gMsE VwEeCktOQek5zVi A" watchdogTimeout ="100" stackSize="3276 8">
<priorities xmi:id="_fZ784E VwEeCktOQek5zVi A" priorityValue=" 10" isAbsolute="tru e"/>
<priorities xmi:id="_g0PXsE VwEeCktOQek5zVi A" isAbsolute="tru e" osFamily="WIN32 "/>
</defaultThreadPa rameters>
</frameworkConfig >
<rootComponen t href="mocca:app configs/qnxintel/subsystems/NBTMediaOnOffSu bsystem.hbsc#De ployedComponent _MultimediaOnOf fComponent"/>
</deployments>
</componentmanife st.application: ApplicationConf iguration>


DATA TO BE ADDED UNDER RESPECTIVE TAGS:

<delegationPoin ts xsi:type="compo nentmanifest.de scription:PortD escription" xmi:id="Providi ng_api/nbt/mm/common/src/MmeCommon_3.2.0 _MmeCommon" name="MmeCommon " incomingConnect ors="_UUFLQJmmE eGK0NAOkJ-nZw" provider="true" >
<interface href="mocca:imp/nbt/mm/mmecommon/src/MmeCommonManife st.hbcm#api/nbt/mm/common/src/MmeCommon_3.2.0 "/>
</delegationPoint s>

<connectors xsi:type="compo nentmanifest.de scription:Deleg ationConnector" xmi:id="_UUFLQJ mmEeGK0NAOkJ-nZw" target="Providi ng_api/nbt/mm/common/src/MmeCommon_3.2.0 _MmeCommon">
<source href="mocca:app configs/qnxintel/subsystems/NBTPresCtrlSubS ystem.hbsc#Port Reference_MmeCo mmon_Providing_ api/nbt/mm/common/src/MmeCommon_3.2.0 "/>
</connectors>