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Full Discussion: processing xml with awk
Top Forums Shell Programming and Scripting processing xml with awk Post 302662155 by cabrao on Tuesday 26th of June 2012 08:48:04 AM
Old 06-26-2012
processing xml with awk

With the following input sample extracted from a xml file
Code:
                        <rel ver="123">
                        <mod name="on">
                        <node env="ac" env="1">
                            <ins ip="10.192.0.1"/>
                            <ins ip="10.192.0.2"/>
                        </node>
                             <node env="ac" env="2">
                             <ins ip="10.192.0.3"/>
                             <ins ip="10.192.0.4"/>
                        </node>
                             <node env="pr">
                            <ins ip="10.192.0.5"/>
                            <ins ip="10.192.0.6"/>
                        </node>
                          </mod>
                                <mod name="off">
                        <node env="ac" env="1">
                            <ins ip="10.192.0.7"/>
                        </node>
                            <node env="ac" env="2">
                            <ins ip="10.192.0.8"/>
                        </node>
                            <node env="pr">
                            <ins ip="10.192.0.9"/>
                        </node>
                        </mod>
                        </rel>

I was wondering if someone can help me having the following output:
Code:
123     env     off             on
        ac1     10.192.0.7      10.192.0.1      10.192.0.2
        ac2     10.192.0.8      10.192.0.3      10.192.0.4
        pr      10.192.0.9      10.192.0.5      10.192.0.6

It's kind of easy getting ride of all xml tags (ex below code) but I have no idea how to produce the desired output table
Code:
awk -F '[\"/>]' '/rel ver/{print $2}/mod name/{print $2}/node env/{print $2, $4}/ins ip/{print $2}' file.xml

Thanks for your help
 

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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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