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Top Forums Shell Programming and Scripting Need help to change XML values with shell scripting for Network Simulation Post 302543852 by erhanasd on Tuesday 2nd of August 2011 09:22:26 AM
Old 08-02-2011
Need help to change XML values with shell scripting for Network Simulation

Hello,
I don't have experience in this scripting and I need some help to read a value from an XML file and change it with a random number to use in simulator for different network scenarios.
Code:
</Description><sim_comm_rounds>35</sim_comm_rounds><num_clusters>1</num_clusters><Clocking>

I want to change the "num_clusters" value with a random number ( at first, a constant is also fine ) the file name is: 1_cluster_TTP.dat.xml I already figured to read the value. The code is like this:
Code:
awk '/<num_clusters>/,/<\/num_clusters>/' 1_cluster_TTP.dat.xml | sed 's/\(.*\)\(<num_clusters>\)\(.*\)\(<\/num_clusters>\)\(.*\)/\3/'

I want to change this value for instance to "2". Any help would be appreciated. Thank you

Last edited by radoulov; 08-02-2011 at 11:14 AM.. Reason: Code tags.
 

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XML::Grove::AsCanonXML(3)				User Contributed Perl Documentation				 XML::Grove::AsCanonXML(3)

NAME
XML::Grove::AsCanonXML - output XML objects in canonical XML SYNOPSIS
use XML::Grove::AsCanonXML; # Using as_canon_xml method on XML::Grove objects: $string = $xml_object->as_canon_xml( OPTIONS ); # Using an XML::Grove::AsCanonXML instance: $writer = XML::Grove::AsCanonXML->new( OPTIONS ); $string = $writer->as_canon_xml($xml_object); $writer->as_canon_xml($xml_object, $file_handle); DESCRIPTION
"XML::Grove::AsCanonXML" will return a string or write a stream of canonical XML for an XML object and it's content (if any). "XML::Grove::AsCanonXML" objects hold the options used for writing the XML objects. Options can be supplied when the the object is cre- ated, $writer = XML::Grove::AsCanonXML->new( Comments => 1 ); or modified at any time before writing an XML object by setting the option directly in the `$writer' hash. OPTIONS
Comments By default comments are not written to the output. Setting comment to TRUE will include comments in the output. AUTHOR
Ken MacLeod, ken@bitsko.slc.ut.us SEE ALSO
perl(1), XML::Parser(3), XML::Grove(3). James Clark's Canonical XML definition <http://www.jclark.com/xml/canonxml.html> perl v5.8.0 1999-08-17 XML::Grove::AsCanonXML(3)
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