[lug] return code

John Hernandez John.Hernandez at noaa.gov
Thu Jun 6 09:28:32 MDT 2002


$? 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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