Serengeti folder walker

gistfile1.rb

traps = Dir.glob('*')

count = 0
traps.each do |trap|
  if File.directory? trap
    Dir.chdir(trap)
    rolls = Dir.glob('*')
    
    rolls.each do |roll|
      if File.directory? roll
        image_count = Dir.glob("#{roll}/*.JPG").count
        puts "WARNING: No images found for #{roll}"
        count += image_count
      end
    end
    Dir.chdir('../')
  end
end

puts count