title: Converting Hexadecimal, Decimal, Octal, and ASCII?
body: <p>Trying to and from bases in Ruby... the code I've laid out seems quite repetitious. Is ther a better way?</p>
  
  <pre><code>module Converter
    def self.convert(value, from, to)
      case from
      when :hex
        case to
        when :dec
          # code to change hex to dec
        when :oct
          # code to change hex to oct
        when :bin
          # code to change hex to bin
        when :ascii
          # code to change hex to ascii
        end
      when :dec
        case to
        when :hex
          # code to change dec to hex
        when :oct
          # code to change dec to oct
        when :bin
          # code to change dec to bin
        when :ascii
          # code to change dec to ascii
        end
      when :oct
        case to
        when :hex
          # code to change oct to hex
        when :dec
          # code to change oct to dec
        when :bin
          # code to change oct to bin
        when :ascii
          # code to change oct to ascii
        end
      when :bin
        case to
        when :hex
          # code to change bin to hex
        when :dec
          # code to change bin to dec
        when :oct
          # code to change bin to oct
        when :ascii
          # code to change bin to ascii
        end
      when :ascii
        case to
        when :hex
          # code to change ascii to hex
        when :dec
          # code to change ascii to dec
        when :oct
          # code to change ascii to oct
        when :bin
          # code to change ascii to bin
        end
      end
    end
  end
  </code></pre>