Path: utzoo!attcan!uunet!virtech!rdg
From: rdg@virtech.uucp (Roger D. Gough)
Newsgroups: comp.lang.c
Subject: Re: Getting PID of background process in shell script.
Summary: Easy.
Message-ID: <1990Mar24.195613.5103@virtech.uucp>
Date: 24 Mar 90 19:56:13 GMT
References: <3074@auspex.auspex.com>
Reply-To: rdg@virtech.UUCP (Roger D. Gough)
Organization: Sequel Technologies
Lines: 15

In article <3074@auspex.auspex.com> hitz@auspex.auspex.com (Dave Hitz) writes:
>In a shell script I want to start a process in the background and then
>kill it at some later time.  To do this I want to save it's pid in a
>variable.
>
The builtin shell variable $! contains the process number of the last process
run in the background.  So you want to do something like:

		run a command &
		PID=$!
		# do some stuff
		kill $PID
-- 
Roger D. Gough                                                  +1 703 689 1692
Sequel Technologies                                            uunet!sequel!rdg