File.class_eval do
	class << self
	  
    # There is similar methods in ActiveSupport, that takes also second paramether buffer
    # these methods 'as is' will broken rails app with passenger in production.
    # 
    # def write(path, data)
    #   File.open(path, "wb") do |file|
    #     return file.write(data)
    #   end
    # end
    # 
    # def read(path)
    #   File.open(path, "rb") do |file|
    #     return file.read
    #   end
    # end
    
    
		
		def create_directory dir
			Dir.mkdir dir unless File.exist? dir
		end
		
		def delete_directory dir
			FileUtils.rm_r dir, :force => true if File.exist? dir
		end
	end
end