twitterc.rb

require "rubygems"
require "mechanize"
require "readline"
require "Kconv"

ICONS = ["fate.png", "nanoha.png"]
URL = 'http://www.twitter.com/'

=begin

ruby twitterc.rb name password

or

ruby twitterc.rb name password proxy:port

=end

class Twitter
  def login name, password, proxy
    @agent = WWW::Mechanize.new

    if proxy != nil
      uri = proxy.split(/:/)[0]
      port = proxy.split(/:/)[1].to_i
      @agent.set_proxy(uri, port)
    end
    
    page = @agent.get URL + 'login'
    login_form = page.forms[1]
    login_form["session[username_or_email]"] = name
    login_form["session[password]"] = password
    @agent.submit(login_form)
  end

  def set_icon pic
    page = @agent.get URL + 'account/picture'
    pic_form = page.forms[0]
    pic_form.file_uploads[0].file_name = pic
    @agent.submit(pic_form) rescue nil
  end

  def update msg
    page = @agent.get URL + 'home'
    update_form = page.forms[0]
    update_form['status'] = msg.toutf8
    @agent.submit(update_form) rescue nil
  end  
end

t = Twitter.new
t.login ARGV[0], ARGV[1], ARGV[2]
puts "What are you doing?"

cnt = 0
while (msg = Readline::readline("Twitter:> "))
  break if msg == "quit"
  
  t.set_icon ICONS[cnt % ICONS.size]
  cnt += 1
  puts "change icon."

  t.update msg
  puts "updated"
end