#!/usr/bin/perl -w

=head1 parse the "Other Users XML Ticker" with C<index> and C<substr>

For real.  Probably won't work if the "DTD" changes (not bloody likely).

=cut

use strict;
use LWP::Simple;
# other users xml ticker
my $html = get('http://perlmonks.org/index.pl?node_id=15851');

die unless $html;
warn $html;

my $fh = [split "\n", $html];

while(@{$fh}) {
    parse_other_users(shift @{$fh});
}
exit;


sub parse_other_users {
    my $s = shift;

    #<user username="Corion" user_id="5348"></user>
    my $nX = index($s,'<user user_id='); # 14
    my $iX = index($s,'" username="'); # 12
    my $IX = index($s,'">', $iX + 11);

    my ($name, $id);

    if( $iX >=0 and $nX >=0 ) {
        printf '(%s)(%s)(%s)(%s)(%s)(%s)'."\n",
             $iX,
             $nX,
             $IX,
             $iX - $nX - 14,
             $name = substr($s, $nX + 14 + 1, $iX -$nX - 14 - 1),
             $id = substr($s, $iX + 12, $IX - $iX - 12),;
    }

    return;
}

__END__

<CHATTER><INFO site="http://perlmonks.org" sitename="Perl Monks">Rendered by the
 Other Users XML Ticker</INFO><user user_id="22308" username="dws"></user>
<user user_id="83485" username="blakem"></user>
<user user_id="65703" username="rob_au"></user>
<user user_id="108447" username="demerphq"></user>
<user user_id="61798" username="busunsl"></user>
<user user_id="78196" username="lestrrat"></user>
<user user_id="103344" username="Ryszard"></user>
<user user_id="134513" username="metadoktor"></user>
<user user_id="141348" username="Dog and Pony"></user>
<user user_id="53018" username="juo"></user>
<user user_id="12012" username="Malach"></user>
<user user_id="107642" username="podmaster"></user>
<user user_id="103824" username="perl::scribe"></user>
<user user_id="143222" username="gdnew"></user>
<user user_id="134230" username="tmiklas"></user>
<user user_id="105312" username="thepen"></user>

</CHATTER>
(130)(110)(145)(6)(22308)(dws)
(20)(0)(38)(6)(83485)(blakem)
(20)(0)(38)(6)(65703)(rob_au)
(21)(0)(41)(7)(108447)(demerphq)
(20)(0)(39)(6)(61798)(busunsl)
(20)(0)(40)(6)(78196)(lestrrat)
(21)(0)(40)(7)(103344)(Ryszard)
(21)(0)(43)(7)(134513)(metadoktor)
(21)(0)(45)(7)(141348)(Dog and Pony)
(20)(0)(35)(6)(53018)(juo)
(20)(0)(38)(6)(12012)(Malach)
(21)(0)(42)(7)(107642)(podmaster)
(21)(0)(45)(7)(103824)(perl::scribe)
(21)(0)(38)(7)(143222)(gdnew)
(21)(0)(40)(7)(134230)(tmiklas)
(21)(0)(39)(7)(105312)(thepen)