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Top Forums Shell Programming and Scripting Parsing XML using shell script Post 302629665 by chihung on Wednesday 25th of April 2012 03:29:28 AM
Old 04-25-2012
To exactly retrieve the value from an XML file, you need to use an XML tool such as xmllint. It comes with Linux by default.
Code:
$ version=`xmllint --xpath '/plist/dict/key[text()="CFBundleVersion"]/following-sibling::string[position()=1]/text()' input.xml`

$ echo $version
3.1.0.4880

This User Gave Thanks to chihung For This Post:
 

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libxml(3)						     Library Functions Manual							 libxml(3)

NAME
libxml - library used to parse XML files DESCRIPTION
The libxml library is used to parse XML files. Its internal document representation is as close as possible to the DOM (Document Object Model) interface, an API for accessing XML or HTML structured documents. The libxml library also has a SAX-like interface, which is designed to be compatible with expat(1). NOTE: SAX, the Simple API for XML, is a standard interface for event-based XML parsing, developed collaboratively by the members of the XML-DEV mailing list, currently hosted by OASIS. The expat library is a XML 1.0 parser written in C, which aims to be fully conforming. It is currently not a validating XML pro- cessor. The libxml library now includes a nearly complete XPath implementation. The XPath (XML Path Language) is a language for addressing parts of an XML document, designed to be used by both XSLT and XPointer. The libxml library exports Push and Pull type parser interfaces for both XML and html. FILES
/depot/lib/libxml_2.0.0/libxml.a static library /depot/lib/libxml_2.0.0/libxml.so shared library /depot/package/libxml_2.0.0/bin/xmllint binary application for parsing XML files AUTHORS
Daniel Veillard (daniel@veillard.com). Red Hat Inc. Manual page by Ziying Sherwin (sherwin@nlm.nih.gov), Lister Hill National Center for Biomedical Communications, U.S. National Library of Medicine. SEE ALSO
xmllint(1), libxslt(3), libexslt(3), xsltproc(1) 12 April 2000 libxml(3)
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