Random text generator app. Missing the dictionary file as well as the index.html file.

rtext.rb

require 'sinatra'

DICTIONARY = File.open("dictionary.txt", 'r').readlines
$books = {}
$bookwords = {}
text_names = %w(holmes1 barsoom1 crusoe)

text_names.each do |name|
  $books[name.to_sym] = File.open("#{name}.txt", 'r').readlines.join(" ").split.join(" ").split(". ")
  $bookwords[name.to_sym] = File.open("#{name}.txt", 'r').read.downcase.split(/\W+/).uniq
end

get '/' do
  File.read(File.join('public', 'index.html'))
end

["/words", "/words/:num"].each do |route|
  get route do
    num = (params[:num] || 1).to_i
    halt 404, {'Content-Type' => 'text/html'}, "Should be a number < #{DICTIONARY.count}!" if num > DICTIONARY.count or num <= 0
    DICTIONARY.sample(num).join(" ")
  end
end

["/:text/words", "/:text/words/:num"].each do |route|
  get route do
    num = (params[:num] || 1).to_i
    bookwords = $bookwords[params[:text].to_sym]
    halt 404, {'Content-Type' => 'text/html'}, "Sorry, I only know about the texts: #{text_names.join(', ')}!" unless bookwords
    halt 404, {'Content-Type' => 'text/html'}, "Should be a number < #{bookwords.count}!" if num > bookwords.count or num <= 0
    bookwords.sample(num).join(" ")
  end
end

["/:text", "/:text/:from", "/:text/:from/:count"].each do |route|
  get route do
    booklines = $books[params[:text].to_sym]
    halt 404, {'Content-Type' => 'text/html'}, "Sorry, I only know about the texts: #{text_names.join(', ')}!" unless booklines
    from, count = (params[:from] || rand(booklines.count)).to_i, (params[:count] || 0).to_i
    halt 404, {'Content-Type' => 'text/html'}, "From line should be a number < #{booklines.count}!" if from > booklines.count or from <= 0
    halt 404, {'Content-Type' => 'text/html'}, "Number of lines should be a number < 100!" if count < 0 or count > 100
    booklines[from..from+count].join(". ") + "."
  end
end