sougo_follow.rb

sougo_follow.rb

# usage
# $ ruby sougo_follow.rb satococoa
# follower_ids も friend_ids も rate_limit が厳しいので注意

require 'bundler/setup'
Bundler.require

screen_name = ARGV[0]

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

redis = Redis.new
redis.del 'followers'
redis.del 'followings'

begin
  res = client.follower_ids(screen_name)
  redis.sadd 'followers', res.attrs[:ids]
end until res.attrs[:next_cursor_str].to_i == 0

begin
  res = client.friend_ids(screen_name)
  redis.sadd 'followings', res.attrs[:ids]
end until res.attrs[:next_cursor_str].to_i == 0

sougo_follows = redis.sinter 'followers', 'followings'

puts "相互フォロー: #{sougo_follows.count} 人"
puts "id: #{sougo_follows.join(', ')}"