Inspired by _why c1-5

whereami.rb

#!/usr/bin/env ruby

class String
  def shuffle
    chars.to_a.shuffle.join
  end
end

me = File.basename __FILE__
where_am_i = File.dirname __FILE__

10.times do
  to_go = Dir.open where_am_i
  places = to_go.map { |n| File.join to_go.path, n }.select { |d| File.directory? d }
  whence = places.shuffle.first

  begin
    File.rename File.join(where_am_i, me), File.join(whence, me)
  rescue Errno::EACCES
    next
  else
    where_am_i = whence
  end
end

puts where_am_i.shuffle