Every fork in the code is preceded by unless. unless (fork evaluating to undef()) is the only way any of the six branches can be followed and the only other possibility (pid=0) can't happen - it appears from your response you have projected your own ideas of intent and have lost the actual flow in that respect.

-M

Free your mind

In reply to Re^5: Waiting for an External Program to Finish Executing by Moron
in thread Waiting for an External Program to Finish Executing by awohld

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