in reply to Understanding this code

The original code by BrowserUk works fine with the given sets of ids. What you have in your data? ie @idlist

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Re^2: Understanding this code
by aaron.schweitzer (Novice) on Sep 28, 2015 at 09:06 UTC

    It has a list of user id numbers
    ranging from 1 to 70000 with not all numbers used up.
    Only 8436 differnt numbers between this range had been used.

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