From owner-freebsd-questions  Sun Oct  1 11:34: 4 2000
Delivered-To: freebsd-questions@freebsd.org
Received: from fw.wintelcom.net (ns1.wintelcom.net [209.1.153.20])
	by hub.freebsd.org (Postfix) with ESMTP id 6BB4B37B66C
	for <freebsd-questions@FreeBSD.ORG>; Sun,  1 Oct 2000 11:33:58 -0700 (PDT)
Received: (from bright@localhost)
	by fw.wintelcom.net (8.10.0/8.10.0) id e91IXvm17467;
	Sun, 1 Oct 2000 11:33:57 -0700 (PDT)
Date: Sun, 1 Oct 2000 11:33:57 -0700
From: Alfred Perlstein <bright@wintelcom.net>
To: krishna vallapareddy <kvallapareddy@appworx.com>
Cc: freebsd-questions@FreeBSD.ORG
Subject: Re: statuses of background jobs in shell scripts
Message-ID: <20001001113357.F27736@fw.wintelcom.net>
References: <00d801c02bd1$f18b4790$7ac9010a@kvalpareddy_lp.appworx.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
User-Agent: Mutt/1.2.4i
In-Reply-To: <00d801c02bd1$f18b4790$7ac9010a@kvalpareddy_lp.appworx.com>; from kvallapareddy@appworx.com on Sun, Oct 01, 2000 at 02:03:46PM -0400
Sender: owner-freebsd-questions@FreeBSD.ORG
Precedence: bulk
X-Loop: FreeBSD.ORG

* krishna vallapareddy <kvallapareddy@appworx.com> [001001 11:08] wrote:
> Hi,
>   I would like to know how I can redirect the 'Done x'
> messages that you would get if a job were submitted at
> the command line to a file. Also, this does not happen
> when the job is submitted  in a shell script.
>     My problem is, I need to submit a lot of jobs in the
> background in a loop based on a counter that I increment using expr command.
> After that I need to
> track the statuses of each of these jobs. If the job has
> not finished, I could use the wait command but how do I
> get the statuses of the jobs that have already finished?
> 
>    Any help in this regard is highly appreciated.


First off you don't mention which shell you're using, so I'm
assuming 'sh' because it's the only shell one should program
for.

basically:

#!/bin/sh

(sleep 3 ; echo done; exit 5) &
pid=$!
echo before
wait $pid
status=$?
echo $pid exited with status $status

good luck,
-- 
-Alfred Perlstein - [bright@wintelcom.net|alfred@freebsd.org]
"I have the heart of a child; I keep it in a jar on my desk."


To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-questions" in the body of the message