Wikipedia
WebFetch
WebFetch is a set of Perl 5 modules written by Ian Kluft from 1998 through 2009 that provides a framework for retrieving information feeds from the Web, or posting a feed on a web site. It is intended to be run on a Unix or Linux server automatically, such as from cron. The current version 0.13 was released September 20, 2009. It is Open Source software, licensed under the GNU General Public License.
WebFetch can collect various types of inputs via plugin modules and send or store them to various outputs also via plugin modules. Inputs include RSS, Atom, local news feed files, and perl data structures. Outputs include perl data structures, the Template Toolkit and pages in TWiki systems.