visitors (intermediate) Web feeds are a convenient mechanism to let visitors be notified of changes to a site. Instead of repeatedly checking RecentChanges every day to see what is new, a visitor can use a news aggregator to quickly see what pages of interest have changed on a site. Web feeds are commonly recognized by terms such as RSS, Atom, and web syndication. They are also the foundation for podcasting.
In its simplest form, web feeds in PmWiki are built on WikiTrails. Using a feed action such as
Authors can also create custom feeds by simply creating a wiki trail of the pages they want included in the feed. Feeds can also be generated from groups, categories, and backlinks, and the order and number of items in the feed can be changed using options in the feed url. Thus, one can obtain a feed for the Skins category (sorted with most recent items first) by using
PmWiki is able to generate feeds in many formats, including RSS 2.0 (
How to read a PmWiki syndicated feed
Add any of the following options to the end of a PmWiki web feed url to change its output:
Configure PmWiki for feeds
This section describes how to syndicate portions of a wiki to appear in a web feed. It does not describe how to display a web feed within a wiki page -- for that, see Cookbook:RssFeedDisplay.
To enable web feed generation for a site, add one or more of the following to a local customization file:
if ($action == 'rss') include_once('scripts/feeds.php'); if ($action == 'atom') include_once('scripts/feeds.php'); if ($action == 'rdf') include_once('scripts/feeds.php'); if ($action == 'dc') include_once('scripts/feeds.php');
if ($action == 'rss' || $action == 'atom' || $action == 'rdf' || $action == 'dc') include_once('scripts/feeds.php');
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How can I use the RSS <enclosure> tag for podcasting?
For podcasting of mp3 files, simply attach an mp3 file to the page with the same name as the page (i.e., for a page named Podcast.Episode4, one would attach to that page a file named "Episode4.mp3"). The file is automatically picked up by ?action=rss and used as an enclosure.
The set of potential enclosures is given by the $RSSEnclosureFmt array, thus
allows podcasting in mp3, wma, and ogg formats.