Periodically checks a Twitter user's follower count and displays it as a Growl notification. http://codyaray.com/2014/01/hacking-twitter-competitions-automatically-tracking-followers-count

get_cheesies_followers_count.sh

PATH=$PATH:/usr/bin/:/usr/local/bin/:$HOME/bin
curl -s "https://api.twitter.com/1.1/users/show.json?screen_name=Cheesies_Truck" \
  -H "Authorization: Bearer <token>" \
  | jq ".followers_count" \
  | xargs -I {} growlnotify -t "Cheesies Count is {}"