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Top Forums UNIX for Beginners Questions & Answers Extract XML block when value is matched (Shell script) Post 303036190 by jgt on Tuesday 18th of June 2019 02:21:44 PM
Old 06-18-2019
I think this is what you want.
It will extract all lines between successive "<devID>number</devID>" lines.


Code:
#!/bin.bash
write="N"
count=0
while read line
do
if [ "${line:0:7}" = "<devID>" ]
then
    write="Y"
    count=0
    #cat /dev/null >output.log
    #uncomment the above line to create a log of only the last block,
    #otherwise all blocks will be extracted
fi
if [ "$write" = "Y" ]
then
    echo "$line" >>output.log
    let count=$count + 1
fi
if [ "$write" = "Y" -a  $count -ne 1 ]
then
    if [ "$line:0:7}" = "<devID>" ]
    then
        write="N"
        count=0
    fi 
 fi
done

 

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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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