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Top Forums Shell Programming and Scripting How can I extract XML block around matching search string? Post 302966501 by Don Cragun on Friday 12th of February 2016 09:32:05 PM
Old 02-12-2016
If the awk script I suggested was too complicated for you, you could try this simple ed script:
Code:
#!/bin/ksh
strear='myapp1-ear'

ed -s xmlfile.xml <<EOF
g/<application-name>$strear<\/application-name>/?<application>?,/<\/application>/p
EOF

This will work with any shell that recognizes basic Bourne shell syntax (so you can use bash instead of ksh if you want to.

If I knew more details about your XML file tags, the BREs in the above script could probably be significantly simplified. With the limited information provided, these verbose BREs should accurately perform the requested operation as long as the opening <application> and closing </application> tags are on lines by themselves as shown in your sample data.

If you still don't like this, feel free to use your better ammo.
 

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XML::Handler::CanonXMLWriter(3) 			User Contributed Perl Documentation			   XML::Handler::CanonXMLWriter(3)

NAME
XML::Handler::CanonXMLWriter - output XML in canonical XML format SYNOPSIS
use XML::Handler::CanonXMLWriter; $writer = XML::Handler::CanonXMLWriter OPTIONS; $parser->parse(Handler => $writer); DESCRIPTION
"XML::Handler::CanonXMLWriter" is a PerlSAX handler that will return a string or write a stream of canonical XML for an XML instance and it's content. "XML::Handler::CanonXMLWriter" objects hold the options used for writing the XML objects. Options can be supplied when the the object is created, $writer = new XML::Handler::CanonXMLWriter PrintComments => 1; or modified at any time before calling the parser's `"parse()"' method: $writer->{PrintComments} = 0; OPTIONS
IOHandle IOHandle contains a handle for writing the canonical XML to. If an IOHandle is not provided, the canonical XML string will be returned from `"parse()"'. PrintComments By default comments are not written to the output. Setting comment to a true value will include comments in the output. AUTHOR
Ken MacLeod, ken@bitsko.slc.ut.us SEE ALSO
perl(1), PerlSAX James Clark's Canonical XML definition <http://www.jclark.com/xml/canonxml.html> perl v5.16.3 2003-10-21 XML::Handler::CanonXMLWriter(3)
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