TREE=/mnt/src/scientific/30rolling/x86_64/
DEFAULT=SL
cd $TREE/$DEFAULT/RPMS
for i in *.i?86.rpm
do
   rpmnameversion=`rpm -qp --queryformat "%{name}-%{version}-%{release}" $i`
   if [ ! -s $rpmnameversion.x86_64.rpm ] ; then
        echo "did not find corresponding $rpmnameversion for x86_64"
   fi
done