On the subject, the "linked" document says

Matt Sergeant's fine XML::XPath module provides a way access the contents of XML documents using the W3C-recommended XPath Language. This module also installs a Perl utility called xpath

So install XML::XPath. 

$ cpan XML::XPath
...
Installing /home/eric/usr/perlbrew/perls/perl-5.12.2/bin/xpath
...

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In reply to Re^3: XPath command line utility... by ikegami
in thread XPath command line utility... by biswanath_c

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