#!/usr/bin/env ruby1.9
# coding: utf-8 
require 'rubygems'
require 'hpricot'
 
index = File.open('models/index.xml')
 
doc = Hpricot(index)
 
class Model
  def initialize text
    @text = text
  end
 
  def bigrams 
    # if text has "house", bigrams should return
    # ['ho', 'ou', 'us', 'se']
    pos = 0
    while pos <= @text.length - 2 
      yield @text[pos, 2]
      pos += 1
    end
  end
 
end
 
m = Model.new("the house is very large")
puts m.bigrams
 
# Dir.glob('models/udhr_*').each do |file|
#   puts file
# end