Perhaps I was thinking of some
module other than File::Recurse. Darn.
How would it transfer to the user's
code if it didn't callback?
Iterators, of course.
For any readers who aren't familiar with the concept: I
find bikeNomad's question similar to "But how can we let
the user run a section of code once for each line of an
input file without requiring them to write callbacks?"
Perl is full of iterators. File globbing, line reading,
regex matching, and iterating over an array or other list
are all common examples of things that are often done in
Perl using interators. And this is because callbacks
(but my friends call me "Tye")