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From: Robin Bowes <robin-lists@robinbowes.com>
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Subject: Re: Help with chpst -e
Date: Mon, 14 Apr 2008 14:38:11 +0100
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Andras Korn wrote:
> 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

Isn't that effectively doing the same thing, but without implicitly 
invoking "sh -c" ?

R.