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Date:      Wed, 23 Sep 1998 11:13:15 -0700
From:      Studded <Studded@dal.net>
To:        Dan Nelson <dnelson@emsphone.com>
Cc:        Andre Albsmeier <andre.albsmeier@mchp.siemens.de>, freebsd-questions@FreeBSD.ORG
Subject:   Re: How to get the PID before a program is run? (No joke :-)
Message-ID:  <36093A3B.7217F443@dal.net>
References:  <199809230729.JAA12131@internal> <19980923095428.B10645@emsphone.com> <360931B1.29E98E12@dal.net> <19980923125749.A26376@emsphone.com>

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Dan Nelson wrote:

> You left out the rest of my script :)
> 
> #! /bin/sh
> echo $$ > /var/run/program.pid
> exec /bin/program
> 
> The exec replaces the shellscript with the program.  The pid does not
> change.  

	You are correct. My understanding was that even with exec there would
be a new pid for the new program. Nice to learn something new. :)

Sorry for the confusion,

Doug

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