#!/usr/bin/perl

 

use XML::LibXML;

 

my $content = do { local($/); <DATA>; };

 

$parser = XML::LibXML->new();

$doc    = $parser->parse_string($content);

 

my $xc = XML::LibXML::XPathContext->new();

$xc->registerNs( atom       => "http://www.w3.org/2005/Atom" );

$xc->registerNs( app        => "http://www.w3.org/2007/app" );

$xc->registerNs( gd         => "http://schemas.google.com/g/2005" );

$xc->registerNs( gcontact   => "http://schemas.google.com/contact/2008" );

$xc->registerNs( batch      => "http://schemas.google.com/gdata/batch" );

$xc->registerNs( openSearch => "http://a9.com/-/spec/opensearchrss/1.0/" );

 

foreach my $entry ( $xc->findnodes( '/atom:feed/atom:entry', $doc ) ) {

    print "entry = '", $entry->toString(1), "'\n";

 

    my @logins = $xc->findnodes( "//apps:login", $entry );

    print join( "\n", @logins ), "\n";

}

 

 

__END__

<?xml version="1.0" encoding="UTF-8"?>

<feed xmlns="http://www.w3.org/2005/Atom" xmlns:openSearch="http://a9.com/-/spec/opensearchrss/1.0/" xmlns:apps="http://schemas.google.com/apps/2006" xmlns:gd="http://schemas.google.com/g/2005">

  <id>https://apps-apis.google.com/a/feeds/mst.edu/user/2.0</id>

  <updated>1970-01-01T00:00:00.000Z</updated>

  <category scheme="http://schemas.google.com/g/2005#kind" term="http://schemas.google.com/apps/2006#user"/>

  <title type="text">Users</title>

  <link rel="next" type="application/atom+xml" href="https://apps-apis.google.com/a/feeds/mst.edu/user/2.0?startUsername=norbert"/>

  <link rel="http://schemas.google.com/g/2005#feed" type="application/atom+xml" href="https://apps-apis.google.com/a/feeds/mst.edu/user/2.0"/>

  <link rel="http://schemas.google.com/g/2005#post" type="application/atom+xml" href="https://apps-apis.google.com/a/feeds/mst.edu/user/2.0"/>

  <link rel="self" type="application/atom+xml" href="https://apps-apis.google.com/a/feeds/mst.edu/user/2.0"/>

  <openSearch:startIndex>1</openSearch:startIndex>

  <entry>

    <id>https://apps-apis.google.com/a/feeds/mst.edu/user/2.0/user1</id>

    <updated>1970-01-01T00:00:00.000Z</updated>

    <category scheme="http://schemas.google.com/g/2005#kind" term="http://schemas.google.com/apps/2006#user"/>

    <title type="text">user1</title>

    <link rel="self" type="application/atom+xml" href="https://apps-apis.google.com/a/feeds/mst.edu/user/2.0/user1"/>

    <link rel="edit" type="application/atom+xml" href="https://apps-apis.google.com/a/feeds/mst.edu/user/2.0/user1"/>

    <apps:login userName="user1" suspended="false" ipWhitelisted="false" admin="false" changePasswordAtNextLogin="false" agreedToTerms="true"/>

    <apps:quota limit="7168"/>

    <apps:name familyName="Last1" givenName="First1"/>

    <gd:feedLink rel="http://schemas.google.com/apps/2006#user.nicknames" href="https://apps-apis.google.com/a/feeds/mst.edu/nickname/2.0?username=user1"/>

    <gd:feedLink rel="http://schemas.google.com/apps/2006#user.emailLists" href="https://apps-apis.google.com/a/feeds/mst.edu/emailList/2.0?recipient=user1%40mst.edu"/>

  </entry>

  <entry>

    <id>https://apps-apis.google.com/a/feeds/mst.edu/user/2.0/user2</id>

    <updated>1970-01-01T00:00:00.000Z</updated>

    <category scheme="http://schemas.google.com/g/2005#kind" term="http://schemas.google.com/apps/2006#user"/>

    <title type="text">user2</title>

    <link rel="self" type="application/atom+xml" href="https://apps-apis.google.com/a/feeds/mst.edu/user/2.0/user2"/>

    <link rel="edit" type="application/atom+xml" href="https://apps-apis.google.com/a/feeds/mst.edu/user/2.0/user2"/>

    <apps:login userName="user2" suspended="false" ipWhitelisted="false" admin="false" changePasswordAtNextLogin="false" agreedToTerms="true"/>

    <apps:quota limit="7168"/>

    <apps:name familyName="Last2" givenName="First2"/>

    <gd:feedLink rel="http://schemas.google.com/apps/2006#user.nicknames" href="https://apps-apis.google.com/a/feeds/mst.edu/nickname/2.0?username=user2"/>

    <gd:feedLink rel="http://schemas.google.com/apps/2006#user.emailLists" href="https://apps-apis.google.com/a/feeds/mst.edu/emailList/2.0?recipient=user2%40mst.edu"/>

  </entry>

</feed>