Aprt from the ones above:

• CGI::Session if you are doing CGI work.
• Text::CSV_XS if you handle ,csv or txt files of data
• SQL::Abstract is not always PC around here but it is very useful in the right place

As others have said, be a little more specific about what foo is and we will be more forthcoming about our favourites.

But that selection along with the ones TVSET mentioned would be my "Swiss Army Chain Saw" of Perl modules.

jdtoronto