M has nothing to do with 'oldness' of a file. It has everything to do with last modification time. Which isn't the same as age of a file. As such, -M cannot be used to determine a directory's "oldest file".

That's correct. And that's the reason why I also linked to the other google search which shows how to determine the creation time on windows.

I never said that any of the google hits had the complete solution, I just want to point out that they give you enough material to solve the problem. Effort is still required, though.

Perl 6 projects - links to (nearly) everything that is Perl 6.

In reply to Re^7: File creation and last modifiication time by moritz
in thread File creation and last modifiication time by mecrazycoder

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