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From: Andras Korn <korn-supervise@elan.rulez.org>
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Subject: Re: Help with chpst -e
Date: Mon, 14 Apr 2008 10:34:29 +0200
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On Mon, Apr 14, 2008 at 12:52:25AM +0100, Robin Bowes wrote:

> Robin Bowes wrote:
>> Hi,
>> Is it possible to set vars using "chpst -e" and then use those vars later 
>> in the same command line?
>
> Answer: yes it is.
>
> This works:
>
> #!/bin/sh
> exec \
>   chpst -e ./env  sh -c '
>     chpst -u ${LOGUSER} \
>     svlogd -tt ${LOGDIR}
> '
>
> LOGUSER and LOGDIR are set in ./env

There is also another way, if you don't like the sh -c part:

#!/bin/sh
if [ "$1" = "have-env" ]; then
	exec chpst -u "$LOGUSER" svlogd -tt "$LOGDIR" \
else
	exec chpst -e ./env "$0" have-env
fi

Andras

-- 
                 Andras Korn <korn at chardonnay.math.bme.hu>
                 <http://chardonnay.math.bme.hu/~korn/>	QOTD:
               Thank you for holding your breath while I smoke.