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Top Forums Shell Programming and Scripting serach and replace a specific pattern or value in a xml file Post 302224500 by kiranreddy1215 on Wednesday 13th of August 2008 10:02:39 AM
Old 08-13-2008
serach and replace a specific pattern or value in a xml file

can some one help me with a perl command

i have to search and replace a version from a xml-file
so i use in a ksh script a command like this
ssh $GLB_ACC@$GLB_HOST "/usr/contrib/bin/perl -pi -e "s/$curVersion/$new_Version/g" $Dest_dir/epi.xml"

this command worked so far, but the problem i found is when curLine is 10.0.0
where curVersion=10.0.0 and new_Version= 10.0.1

since with this pattern they are some more entries like IP address ,etc.. which is matching the pattern

inside the xml file its specified as
<value>10.0.0<\value>

how can i overcome the search and replace to only act on the above value
either by changing pattern ,etc.. any help please ??
i tried like this but no luck

ssh $GLB_ACC@$GLB_HOST "/usr/contrib/bin/perl -pi -e "s/value\>$curVersion\</value\>$new_Version\</g" $Dest_dir/epi.xml"

i want to know how can i search patter including "<" or ">"
 

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IPTABLES-XML(8) 														   IPTABLES-XML(8)

NAME
iptables-xml -- Convert iptables-save format to XML SYNOPSIS
iptables-xml [-c] [-v] DESCRIPTION
iptables-xml is used to convert the output of iptables-save into an easily manipulatable XML format to STDOUT. Use I/O-redirection pro- vided by your shell to write to a file. -c, --combine combine consecutive rules with the same matches but different targets. iptables does not currently support more than one target per match, so this simulates that by collecting the targets from consecutive iptables rules into one action tag, but only when the rule matches are identical. Terminating actions like RETURN, DROP, ACCEPT and QUEUE are not combined with subsequent targets. -v, --verbose Output xml comments containing the iptables line from which the XML is derived iptables-xml does a mechanistic conversion to a very expressive xml format; the only semantic considerations are for -g and -j targets in order to discriminate between <call> <goto> and <nane-of-target> as it helps xml processing scripts if they can tell the difference between a target like SNAT and another chain. Some sample output is: <iptables-rules> <table name="mangle"> <chain name="PREROUTING" policy="ACCEPT" packet-count="63436" byte-count="7137573"> <rule> <conditions> <match> <p>tcp</p> </match> <tcp> <sport>8443</sport> </tcp> </conditions> <actions> <call> <check_ip/> </call> <ACCEPT/> </actions> </rule> </chain> </table> </iptables-rules> Conversion from XML to iptables-save format may be done using the iptables.xslt script and xsltproc, or a custom program using libxsltproc or similar; in this fashion: xsltproc iptables.xslt my-iptables.xml | iptables-restore BUGS
None known as of iptables-1.3.7 release AUTHOR
Sam Liddicott <azez@ufomechanic.net> SEE ALSO
iptables-save(8), iptables-restore(8), iptables(8) Jul 16, 2007 IPTABLES-XML(8)
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