Project Perl Modules
Perl
Here are some links to general Perl introductions and tutorials. They are not in any particular order.
NCSA introduction to PERL
Picking Up Perl introduction < http://www.ebb.org/PickingUpPerl/ >
The PUP book < http://www.ebb.org/PickingUpPerl/pickingUpPerl_toc.html >
Finally there is extensive help on your system man perl and man perlsyn
The TK interface module
tk manuals http://search.cpan.org/author/NI-S/Tk-800.024/Tk.pod