$counter is a number. So, $$counter is something like $3, one the special variables of Perl. And those are read-only (and set by regular expressions).

Your design seems to be flawed. fork returns a process-id. Why you want to dereference that is beyond me.

Abigail

In reply to Re: Forking 100 processes, 5 at a time by Abigail-II
in thread Forking 100 processes, 5 at a time by nagan

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