"While there's no shortage of Web-based programs that output
RSS, sometimes all you want to do is generate and serve a
quick-and-dirty feed, perhaps as part of a script, or using the
output of some other program. You might want to check your log
summaries with the same ease than you check your daily news, or
perhaps set up an RSS feed to distribute internal documents to your
workgroup. While these are things that could be done with a content
management system, they really call for nothing more that a simple
command-line program able to create a feed and add content to it.
Luckily, kludging together a reusable tool to generate RSS feeds is
a relatively straightforward proposition, and one that opens myriad
possibilities for creative uses of RSS..."