gistfile1.txt

class String
  COLORS = [:black, :red, :green, :yellow, :blue, :magenta, :cyan, :white]
  def colorize(color)
    value = case color
            when Symbol
              COLORS.index(color) || 0
            else
              color
            end 
    "\e[9#{ value }m#{ self }\e[0m"
  end 
end