[lug] return code

Hugh Brown hugh at brownclan.org
Thu Jun 6 11:06:17 MDT 2002


Sufficient to determine it isn't the redirect.  Thank you.  I'm still
curious as to more of the detail about how that decision is made (though
I am reluctant to go digging through the bash source since I'm not much
of a programmer at all).

Hugh

On Thu, 2002-06-06 at 11:28, John Hernandez wrote:
> $? will contain the return code from rpm.
> 
> It's based on these results:
> 
> grep something non-existant-file >/dev/null
> 
> $? = 2
> 
> grep something real-file >/dev/null
> 
> $? = 1
> 
> Is this simple test sufficient?
> 
> -John
> 
> Hugh Brown wrote:
> > When I run
> > 
> > rpm -q package-name >/dev/null
> > 
> > if the return code in $?, the return code of rpm or the return code of
> > the redirect to /dev/null
> > 
> > Hugh
> > 
> > 
> > 
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> 
> -- 
> 
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