PigLatin Translator!

pig_latin.rb

#!/usr/bin/env ruby
# Translates a text file to Pig Latin!

class PigLatin
  def initialize filename = nil
    @filename = filename
  end
  attr :filename

  def translate!
    ilefay filename
  end

  def ilefay file
    lines = String.new

    IO.foreach file do |line|
      lines << inelay(line)
    end

    lines
  end

  def inelay line
    line.split(' ').map do |word|
      ordway word
    end.join ' '
  end

  def ordway word
    alpha = word.match(/[a-zA-Z]+/).to_s

    "#{alpha[1..-1]}#{alpha[0]}ay"
  end
end

def self.usage
  puts "usage : #{$0} path/to/file.txt"
end

translator = PigLatin.new ARGV.first || usage

puts translator.translate!