http://qs321.pair.com?node_id=1218350


in reply to Re: flag function
in thread flag function

++ for a clear and thorough explanation but for completeness your last code block omits the declaration and initialization of $looking.

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Re^3: flag function
by ikegami (Patriarch) on Jul 12, 2018 at 04:56 UTC

    That wasn't quite the problem, but it's been fixed. Thanks.