run.rb

require 'twitter'
require 'csv'

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

150.times do
  current_user = CSV.open("users.csv", "r").to_a.last.first.to_i + 1 rescue 12
  current_users = []
  100.times do
    current_users << current_user
    current_user = current_user + 1
  end

  CSV.open("users.csv", "ab") do |csv|
    @client.users(current_users).each do |user|
      if user.protected
        last_tweet = "protected"
      else
        last_tweet = user.status.created_at
      end
      csv << [user.id, user.screen_name, user.created_at, last_tweet]
    end
  end
end

user.csv