for (( i = 0 ; i <= 5; i++  ))
do
        ntpdate time.nist.gov > /dev/null;sleep 1s;ntpdate time.nist.gov | awk '{print $10}' >> ~/datedifference.log
done
awk '{for(i=1; i<=NF; i++){sum[i]+=$i}} END {for(i=1; i<=NF; i++){printf "Your computer is losing, or gaining "sum[i]" seconds per second\r\n"}}' ./datedifference.log