twitter-avatar-changer.rb

require 'twitter'

client = Twitter::REST::Client.new do |config|
  config.consumer_key = ""
  config.consumer_secret = ""
  config.access_token = ""
  config.access_token_secret = ""
end

if ARGV[1].nil?
  puts <<EOF
Usage: ruby twitter-avatar-changer.rb [FREQUENCY] [DIRECTORY]

The frequency is a number from 1 to 12 which determines how many times a day
should the avatar change.
The pictures directory should only contain png, gif or jpg files under 700kb.
EOF
  exit
end

frequency = ARGV[0].to_i
directory = ARGV[1]
img_list = []

loop do
  img_list = Dir.glob(directory + "/*").shuffle if img_list.empty?
  image = File.new(img_list.first)
  img_list = img_list.drop(1)
  client.update_profile_image(image, options = {})
  sleep(24 * 60 * 60 / frequency)
end