A service is running or not

 a=`ssh oracle@jupiter 'pgrep oracle'`
            for p in $a
            do
            echo $p >/tmp/value
            done
            b=`cut -c1-4 /tmp/value 2>/dev/null; rm -f /tmp/value`
            if [ $b!=0 ] 2>/dev/null; then
            echo "oracle is running"
            else
            echo "oracle is not running"
            fi
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