A simple password generator

generate_password.rb

words, password                                   = [], ''
min_word_length, max_word_length, words_in_password = 4, 8, 4 + rand(2)

File.open("/usr/share/dict/words") do |file|
  file.each do |line| 
    if line.length <= max_word_length and line.length >= min_word_length
      words << line.strip.downcase
    end
  end
end

def spacer
  array = Array(0..9) + ['!', '~', '-', '_', ' ', '+', '=', '%', '$', '#', '@']
  array.shuffle.first.to_s
end

words_in_password.times do
  password += words.shuffle.first + spacer
end

password.chop!

puts password