sinatra usage

require "rubygems"

require "sinatra"

require "topwords"

get '/' do

  html = "<h1>Frequency Used Words</h1>"

  

  list.each do |word, freq|

    html += "<p>#{word} : #{freq}</p>"

  end

  Dir["./public/*"].each do |file|

    html += file_link(file)

  end

  html

end

helpers do

  def list

    alice = WordDictionary.new('alice.txt')    

    alice.top_by_frequency(20)

  end

  def file_link(file)

    filename = File.basename(file)

    "<a href='#{filename}'>#{filename}</a><br/>"

  end

end