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Re: One piece of code, two mysteries!

by andal (Hermit)
on Oct 05, 2012 at 07:22 UTC ( #997404=note: print w/replies, xml ) Need Help??

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  1. or download this
    kill 0, $pid while sleep 1 and $timeout--;
    kill 3, $pid if $timeout;
    
  2. or download this
    sleep 1 while kill(0, $pid) && $timeout--;
    kill 3, $pid if $timeout;
    

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