[Haskell-beginners] searching for a file

Michael Mossey mpm at alumni.caltech.edu
Wed Jun 23 23:56:38 EDT 2010

Can I get a hint how to do this:

Given a directory D and a file extension E, find the newest file in D 
among all files with extension E.

I wouldn't mind if you point me to the functions that are useful and 
leave the rest as an exercise. Or even just point me to the module(s) 
that is(are) useful.


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