Last Friday of each month
Write a program or a script that returns the last Fridays of each months of a given year provided as argument on the command line.
Last Friday of each month is a draft programming task. It is not yet considered ready to be promoted as a complete task, for reasons that should be found in its talk page.
Example of an expected output:
./last_fridays 2012 2012-01-27 2012-02-24 2012-03-30 2012-04-27 2012-05-25 2012-06-29 2012-07-27 2012-08-31 2012-09-28 2012-10-26 2012-11-30 2012-12-28