in reply to Unix process number on a mac...
What are you trying to do? If you just want to check if the process is still running, use kill() with the 0 signal. It tells you if the process is still running. If it isn't running, just restart it.
kill 0, $pid;
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brian d foy <bdfoy@cpan.org>
brian d foy <bdfoy@cpan.org>
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