twitter_lists.rb

# Add a bunch of twitter users to one of your twitter lists
#
# use it with a file full of twitter usernames
# one name by line
#
# If the listname indicated doesn't exist it will be created
#
# Example: $ ruby twitter_lists.rb 'username' 'userpass' 'listname' twitter_users.txt 
#
# Debug mode: $ ruby twitter_lists.rb 'username' 'userpass' 'listname' twitter_users.txt debug
#

require 'rubygems'
require 'twitter'
require 'pp'

class TwitterLists
  def self.add_users( username, pass, listname, path_file_users, debug_mode = false )
    puts "DEBUG mode actived! \n\n"  if debug_mode
    
    httpauth = Twitter::HTTPAuth.new( username, pass)
    twitter = Twitter::Base.new(httpauth)
    
    begin
      twitter.list(username, listname)
    rescue Twitter::NotFound => e
      puts "List '#{username}/#{listname}' doesn't exist, so I'll create it\n\n"
      twitter.list_create(username, {:name => listname, :mode => 'public'})  if !debug_mode
    end
    
    File.read( path_file_users ).each do |new_username|
      new_username = new_username.gsub("\n",'').strip
      next  if new_username.empty?
      begin
        puts "adding: #{new_username} to #{username}/#{listname}"
        user_id = Twitter.user( new_username ).id 
        twitter.list_add_member( username, listname, user_id )    if !debug_mode
      rescue Exception => e
        puts "ERRROR trying to add: #{new_username} to #{username}/#{listname} .. we follow working"
        puts e
      end
    end
  end
end

if ARGV.size < 4 || ARGV.size > 5
  puts "use: #{$0} <username> <pass> <listname> <path_file_users> {debug}"
  exit 1
end

TwitterLists.add_users( ARGV[0], ARGV[1], ARGV[2], ARGV[3], !ARGV[4].nil? )