set a $mw->repeat() if you want it to be recurring, like a status monitor: 
$mw->repeat(
    2000 => sub { 
        doPings();
        updateTextFields();
        $mw->update();
    }
);

[download]

In reply to Re: perl/Tk and realtime update of output by bageler
in thread perl/Tk and realtime update of output by tcf03

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