If you don't particularly feel the need to roll your own, File::Tail is a nice way to do it. Reduce, reuse, recycle and all that.

--jwest

update: I assumed, possibly mistakenly, that the poster wanted something like 'tail -f' instead of vanilla 'tail'.

-><- -><- -><- -><- -><-
All things are Perfect
    To every last Flaw
    And bound in accord
         With Eris's Law
 - HBT; The Book of Advice, 1:7