currentTime="$(date +%s.%N)";
epochSeconds="$(echo "$currentTime" | cut -d. -f1)";
fracNanosec="$(echo "$currentTime" | cut -d. -f2)";
currentTime="$(date +%s.%N)";
epochSeconds="$(echo "$currentTime" | cut -d. -f1)";
fracNanosec="$(echo "$currentTime" | cut -d. -f2)";