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Jerrad Pierce > XML-RSSLite-0.15 > XML::RSSLite



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Module Version: 0.15   Source  


XML::RSSLite - lightweight, "relaxed" RSS (and XML-ish) parser


  use XML::RSSLite;

  . . .

  parseRSS(\%result, \$content);

  print "=== Channel ===\n",
        "Title: $result{'title'}\n",
        "Desc:  $result{'description'}\n",
        "Link:  $result{'link'}\n\n";

  foreach $item (@{$result{'item'}}) {
  print "  --- Item ---\n",
        "  Title: $item->{'title'}\n",
        "  Desc:  $item->{'description'}\n",
        "  Link:  $item->{'link'}\n\n";


This module attempts to extract the maximum amount of content from available documents, and is less concerned with XML compliance than alternatives. Rather than rely on XML::Parser, it uses heuristics and good old-fashioned Perl regular expressions. It stores the data in a simple hash structure, and "aliases" certain tags so that when done, you can count on having the minimal data necessary for re-constructing a valid RSS file. This means you get the basic title, description, and link for a channel and its items.

This module extracts more usable links by parsing "scriptingNews" and "weblog" formats in addition to RDF & RSS. It also "sanitizes" the output for best results. The munging includes:

Remove html tags to leave plain text
Remove characters other than 0-9~!@#$%^&*()-+=a-zA-Z[];',.:"<>?\s
Remove leading whitespace from URIs
Use <url> tags when <link> is empty
Use misplaced urls in <title> when <link> is empty
Exract links from <a href=...> if required
Limit links to ftp and http(s)
Join relative item urls (beginning with / or #) to the site base


parseRSS($outHashRef, $inScalarRef)

$inScalarRef is a reference to a scalar containing the document to be parsed, the contents will effectively be destroyed. $outHashRef is a reference to the hash within which to store the parsed content.


parseXML(\%parsedTree, \$parseThis, 'topTag', $comments);
parsedTree - required

Reference to hash to store the parsed document within.

parseThis - required

Reference to scalar containing the document to parse.

topTag - optional

Tag to consider the root node, leaving this undefined is not recommended.

comments - optional
false will remove contents from parseThis
true will not remove comments from parseThis
array reference is true, comments are stored here


This is not a conforming parser. It does not handle the following

It's non-validating, without a DTD the following cannot be properly addressed


This may or may not be arriving in some future release.


perl(1), XML::RSS, XML::SAX::PurePerl, XML::Parser::Lite, <XML::Parser>


Jerrad Pierce <>.

Scott Thomason <>


Portions Copyright (c) 2002,2003,2009 Jerrad Pierce, (c) 2000 Scott Thomason. All rights reserved. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

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