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Dave Cross


XML::Feed - Syndication feed parser and auto-discovery


    use XML::Feed;
    my $feed = XML::Feed->parse(URI->new('http://example.com/atom.xml'))
        or die XML::Feed->errstr;
    print $feed->title, "\n";
    for my $entry ($feed->entries) {

    ## Find all of the syndication feeds on a given page, using
    ## auto-discovery.
    my @feeds = XML::Feed->find_feeds('http://example.com/');


XML::Feed is a syndication feed parser for both RSS and Atom feeds. It also implements feed auto-discovery for finding feeds, given a URI.

XML::Feed supports the following syndication feed formats:

  • RSS 0.91

  • RSS 1.0

  • RSS 2.0

  • Atom

The goal of XML::Feed is to provide a unified API for parsing and using the various syndication formats. The different flavors of RSS and Atom handle data in different ways: date handling; summaries and content; escaping and quoting; etc. This module attempts to remove those differences by providing a wrapper around the formats and the classes implementing those formats (XML::RSS and XML::Atom::Feed). For example, dates are handled differently in each of the above formats. To provide a unified API for date handling, XML::Feed converts all date formats transparently into DateTime objects, which it then returns to the caller.



Creates a new empty XML::Feed object using the format $format.

    $feed = XML::Feed->new('Atom');
    $feed = XML::Feed->new('RSS');
    $feed = XML::Feed->new('RSS', version => '0.91');


XML::Feed->parse($stream, $format)

Parses a syndication feed identified by $stream. $stream can be any one of the following:

  • Scalar reference

    A reference to string containing the XML body of the feed.

  • Filehandle

    An open filehandle from which the feed XML will be read.

  • File name

    The name of a file containing the feed XML.

  • URI object

    A URI from which the feed XML will be retrieved.

$format allows you to override format guessing.


Given a URI $uri, use auto-discovery to find all of the feeds linked from that page (using <link> tags).

Returns a list of feed URIs.


Given the xml of a feed return what format it is in (Atom, or some version of RSS).


Converts the XML::Feed object into the $format format, and returns the new object.


Splices in all of the entries from the feed $other_feed into $feed, skipping posts that are already in $feed.


Returns the format of the feed (Atom, or some version of RSS).

$feed->title([ $title ])

The title of the feed/channel.

$feed->base([ $base ])

The url base of the feed/channel.

The permalink of the feed/channel.

$feed->tagline([ $tagline ])

The description or tagline of the feed/channel.

$feed->description([ $description ])

Alias for $feed->tagline.

$feed->author([ $author ])

The author of the feed/channel.

$feed->language([ $language ])

The language of the feed.

The copyright notice of the feed.

$feed->modified([ $modified ])

A DateTime object representing the last-modified date of the feed.

If present, $modified should be a DateTime object.

$feed->generator([ $generator ])

The generator of the feed.

The Atom Self-link of the feed:


A string.


A list of the entries/items in the feed. Returns an array containing XML::Feed::Entry objects.


A synonym for $feed-entries>.


Adds an entry to the feed. $entry should be an XML::Feed::Entry object in the correct format for the feed.


Returns an XML representation of the feed, in the format determined by the current format of the $feed object.



If you want to use another RSS parser class than XML::RSS (default), you can change the class by setting $PREFERRED_PARSER variable in XML::Feed::RSS package.


Note: this will only work for parsing feeds, not creating feeds.

Note: Only XML::RSS::LibXML version 0.3004 is known to work at the moment.


Although the RSS specification states that there can be at most one enclosure per item some feeds break this rule.

If this variable is set then XML::Feed captures all of them and makes them available as a list.

Otherwise it returns the last enclosure parsed.

Note: XML::RSS version 1.44 is needed for this to work.


For reference, this cgi script will create valid, albeit nonsensical feeds (according to http://feedvalidator.org anyway) for Atom 1.0 and RSS 0.90, 0.91, 1.0 and 2.0.

    #!perl -w

    use strict;
    use CGI;
    use CGI::Carp qw(fatalsToBrowser);
    use DateTime;
    use XML::Feed;

    my $cgi  = CGI->new;
    my @args = ( $cgi->param('format') || "Atom" );
    push @args, ( version => $cgi->param('version') ) if $cgi->param('version');

    my $feed = XML::Feed->new(@args);
    $feed->title('Test Feed');
    $feed->self_link($cgi->url( -query => 1, -full => 1, -rewrite => 1) );

    my $entry = XML::Feed::Entry->new();
    $entry->title("Test entry");
    $entry->summary("Test summary");
    $entry->author('test@example.com (Testy McTesterson)');

    my $mime = ("Atom" eq $feed->format) ? "application/atom+xml" : "application/rss+xml";
    print $cgi->header($mime);
    print $feed->as_xml;


XML::Feed is free software; you may redistribute it and/or modify it under the same terms as Perl itself.


Except where otherwise noted, XML::Feed is Copyright 2004-2008 Six Apart, cpan@sixapart.com. All rights reserved.


The latest version of XML::Feed can be found at