Look, it got the job done, okay?

check-masscan-results.sh

for rate in 100 1000 10000 20000 40000 100000; do for attempt in $(seq 1 5); do echo -n "Rate: $rate / Attempt: $attempt - "; responses=$(grep 'state state="open" reason=' /tmp/DO-masscan-${rate}.${attempt}.xml | cut -d" " -f3- | sort -u | wc -l); echo "scale=5; 100 * (1 - ( $responses /50001))" | bc; done; done