> You could use 'tr' to strip all non-numerics.
> 
> echo $MEDIAID | tr -d -c '0-9'

Oops.  Not good enough.  Numerics may obviously be present in the
hostname portion as well.

echo $MEDIAID | sed 's/^.*_//'

-- 
Darren Dunham                                           ddunham AT taos DOT com
Senior Technical Consultant         TAOS            http://www.taos.com/
Got some Dr Pepper?                           San Francisco, CA bay area
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