Perl Challenge - Directory Iterator
问题 You sometimes hear it said about Perl that there might be 6 different ways to approach the same problem. Good Perl developers usually have well-reasoned insights for making choices between the various possible methods of implementation. So an example Perl problem: A simple script which recursively iterates through a directory structure, looking for files which were modified recently (after a certain date, which would be variable). Save the results to a file. The question, for Perl developers: