On Mon, Aug 26, 2013 at 06:20:55PM +0200, [email protected] wrote:
> pkg=pkg_name; rpm --quiet -q $pkg ; [ $? -eq 0 ] && echo $pkg is present || 
> echo $pkg is not present

[ $? -eq 0 ] is a shell antipattern, even simpler:

pkg=pkg_name; rpm --quiet -q $pkg && echo $pkg is present || echo $pkg is not 
present                                                   


-- 
-- Justin Azoff
-- Network Security & Performance Analyst
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