Fetch IP addresses for Akamai host

run.bash

#!/bin/bash

temp="/tmp/temp.log"
output="/tmp/uniq.log"

dig lolstatic-a.akamaihd.net +short | \
awk '/((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)(\.|$)){4}/ { print $1 }' >> $temp

while IFS= read -r line
do
  exists=$(cat $output | grep $line | wc -l | awk '/[0-9]/ { print $1 }')
  if [[ "$exists" == "0" ]]; then
    echo "$line" >> $output
    echo "$line added"
  fi
done < "$temp"

rm $temp

exit 0