mix_tape.rb

#!/usr/bin/env ruby
# encoding: utf-8

IDEAS = [
  %Q(Bar uvg jbaqref' bgure fbatf),
  %Q(Gurl jnag gb oernx serr: Gur zhfvp gurl znqr jura gurl yrsg gur onaq),
  %Q(Nhfgenyvnan: Fubjpnfr lbhe snibhevgr angvir onaqf gb arjpbzref gb guvf ynaq tveg ol frn ),
  %Q(Sbervta ynathntr fbatf),
  %Q(Xrrc ba Ehaava': Zhfvp gb zbgvingr zr gb trg cnfg gur 8xz znex),
  %Q(Zhfvp bs gur zbivrf: Abg gur gurzrf… ohg fbatf znqr snzbhf ol gur zbivrf),
  %Q(Zrgn Znavn: Fbatf nobhg zhfvpny vafgehzragf be rdhvczrag)
]

puts "#{IDEAS.size} ideas in the mix... I choose..."
puts IDEAS.sample.tr('A-Za-z', 'N-ZA-Mn-za-m')
puts "Go!"