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[Adrian Wilkins <701535@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

Binary package hint: libxml-libxml-perl

libxml-xpath-perl supplies /usr/bin/xpath as a means to extract nodes using XPath
on the command line.

XML::XPath is very slow, so this script is too.

Patching this script to use XML::LibXML instead produces a > 10x
speedup.

Very little effort is required as XML::LibXML tries hard to replicate the API of
XML::XPath

Test query run over an 8MB XML file :

/usr/bin/xpath : 30.8s real time
/usr/bin/xpath2 :  2.2s real time

Need I say more?

Enclosed my hasty port of the original script with a few comments.

** Affects: libxml-libxml-perl (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/701535

Title:
  Add an xpath evaluator script