Re: How to write an xpath query including attributes for an XML with namespace

in reply to How to write an xpath query including attributes for an XML with namespace

To use a namespace in an XPath expression, you have to register it first. The following works for me:

#!/usr/bin/perl
use warnings;
use strict;

use XML::LibXML;

my $file_dati = '/path/to/file.xml';
my $parser    = 'XML::LibXML'->new();
my $doc       = $parser->parse_file($file_dati) || die('dead1');
my $xc        = 'XML::LibXML::XPathContext'->new($doc);

$xc->registerNs('mw', 'http://myweb.com');

my $nodetobefound = '//mw:comment[@timestamp="20130903225513"]';

print "To be found: $nodetobefound\n";

my $commento = $xc->findnodes($nodetobefound) || die('dead3');

print $commento->get_node(0)->toString();
[download]

As Corion suggested, I changed the name of the element and added // for recursive search.

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Comment on Re: How to write an xpath query including attributes for an XML with namespace Download Code

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Re^2: How to write an xpath query including attributes for an XML with namespace by topola1882 (Initiate) on Sep 06, 2013 at 13:46 UTC
Thanks Choroba, it worked!!	[reply]
Re^2: How to write an xpath query including attributes for an XML with namespace by Anonymous Monk on Sep 07, 2013 at 07:40 UTC
To use a namespace in an XPath expression, you have to register it first. :) I'm beginning to think every xml file that needs a namespace registered is a broken xml file -- the file should register any namespace it uses Food for thought anyway :)	[reply]

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