Get someone's Twitter favorite list

get_twitter_favorite_list.rb

require "twitter"

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

screen_name = target_screen_name
COUNT = 100
favorite_tweets = client.favorites(screen_name, {count: COUNT})

favorite_tweets.each do |fav_tweet|
  puts "#{fav_tweet.attrs[:id]}, #{fav_tweet.attrs[:created_at]}"
end