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Top Forums Shell Programming and Scripting Need to Parse XML from bash script Post 302334676 by shivashankar.g on Thursday 16th of July 2009 07:29:48 AM
Old 07-16-2009
Need to Parse XML from bash script

I am completely new to bash scripting and now need to write a bash script that would parse a XML file and take out values from specific tags.

I tried using xsltproc, xml_grep commands. But the issue is that the XML i am trying to parse is not UTF 8. so those commands are unable to parse my XML's or i am unable to find a woraround for that in xsltproc or xml_grep

Can some one help me in writing a direct script code (something other than utilities like xsltroc or xml_grep) that would pull me the value of the <url></url> tag irrespective the xml being well formed or not

This is the sample xml below
Code:
<site>
 <form>
        <url>http://www.bankoamerica.com/state.cgi?section=signin</url>
        <method>GET</method>
    </form>
</site>

Note: Use CODE-tags when displaying code, data or logs for better readability and to keep formatting like indention etc., ty.

Last edited by zaxxon; 07-16-2009 at 08:59 AM.. Reason: code tags
 

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IPTABLES-XML(1) 						  iptables 1.4.21						   IPTABLES-XML(1)

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) iptables 1.4.21 IPTABLES-XML(1)
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