Tk::after - in particular:

$widget->repeat(ms,callback) In this form the command returns immediately, but it arranges for callback be executed ms milliseconds later as an event handler. After callback has executed it is re-scheduled, to be executed in a futher ms, and so on until it is cancelled.

In reply to Re: Perl/Tk threading and/or cron job? by keszler
in thread Perl/Tk threading and/or cron job? by PhysiciSteve

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