I'm not an expert but perlmonks is full of good posts about threads and shared vars: in my experience it will be worth to search for BrowserUk's and zentara's answers, among others.
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Reinvent the wheel, then learn The Wheel; may be one day you reinvent one of THE WHEELS.

In reply to Re: Threads, processes and sharing variables by Discipulus
in thread Threads, processes and sharing variables by perlnwb

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