in reply to Re^2: Delete Old Directories
in thread Delete Old Directories

Your date format is different from the proposed one. To make things easy, you should be using this one:
20110905
20111015
20111016
20111017
20111018
20111019
20111020

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Then, just generate the string for the day 45 days ago and remove everything lesser.
How to find what that days' date was? How yould you proceed without a computer? Would you calculate the date, or just have a look into a calendar?

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Re^4: Delete Old Directories
by Marshall (Canon) on Oct 24, 2011 at 06:08 UTC
    This is exactly the right idea! The file names shown will sort with a simple string comparison based upon the text from the file name. I am at a loss as to how to make this more clear.

    Working with the filename is just much easier and more obvious than working with OS specific things like the -M file test.

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