download twitter picture

twimages.rb

require 'rubygems'

gem 'twitter'

require 'twitter'
require 'open-uri'
require 'find'

user_name = "anderson_leite"
image_url =  Twitter.user(user_name).profile_image_url
image_name = image_url.match(/([\w_]+).(\w\w\w)$/)
file_path = "/Users/andersonleite/Desktop/twimages/#{user_name}.#{image_name[2]}"
 
unless File.exists?(file_path)
  File.open(file_path, 'w') do |output|
    open(image_url) do |input| 
      output << input.read
    end  
  end  
end