[CentOS] Installing perl modules using yum?

Wed Sep 24 19:16:37 UTC 2008
Al Sparks <data345 at yahoo.com>

I'm trying to install swatch using rpmbuild.

I'm getting dependency errors saying that I need perl(Date::Calc),
perl(Date::Format), and perl(File::Tail).

I've been beaten over the head in this group for using CPAN.  So
methodology do I use to I install those modules?
   === Al