cli_support.rb

#!/usr/bin/env ruby
# coding: utf-8

class String
  def color num
    "\e[#{num}m#{self}\e[0m"
  end

  def ask
    print "#{self}"
    gets.strip
  end
  
  def ask_password
    system("stty -echo")
    print "#{self}"
    gets.strip
  ensure
    system("stty echo")
  end
end

if __FILE__ == $0
  login = "Login: ".color(36).ask
  pass  = "Password: ".color(31).ask_password
  puts ""
end

inspired by jugyo's get-twitter-oauth-token

refer http://ambiesoft.ddo.jp/blog/archives/1122 for colors. it's written in japanese