Something

        ssh $h w | grep -v root | grep -v USER | grep -v ^" " |awk '{printf $1;printf " : ";print $8}' > $LOG 2>&1

       if [ ! $? = 0 ] ; then
                echo ${h} ": WARNING host may be down" ;
        else
                sleep 1; echo -en "  \n";echo -en ${h} ;printf " : "; tail -1 $LOG ;echo -en "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n" ;echo -en "  ";
        fi
done