alitaso_fav.rb

require "twitter"

class Favoritter
  def initialize(source, count)
    @source = source
    @count  = count.to_i
    @client = Twitter::REST::Client.new do |config|
      config.consumer_key        = ""
      config.consumer_secret     = ""
      config.access_token        = ""
      config.access_token_secret = ""
    end
  end

  def fav!
    tweets = []
    catch :break do
      (1..16).each do |page|
        @client.user_timeline(@source, count: 200, include_rts: false, page: page).each do |tweet|
          unless tweet.favorited? then
            tweets << tweet
            puts tweet.text
            throw :break if tweets.size > @count
          end
        end
      end
    end
    @client.favorite(tweets)
  end
end

Favoritter.new(ARGV[0], ARGV[1] || 20).fav!