ruby recursive image tally

gistfile1.txt

def image_file?(file, accepted_extensions)
	accepted_extensions.include?(File.extname(file).downcase)
  end

def recursive_image_tally(directory, image_counts)

	image_count = 0
	Dir.foreach(directory) do |file|
		next if file.start_with?('.')
		file_path = File.join(directory, file)
		
		if File.directory?(file_path)	
			recursive_image_tally(file_path, image_counts)
		elsif image_file?(file, image_counts.keys())
			image_counts[File.extname(file).downcase] = image_counts[File.extname(file).downcase] + 1 
		end
	end
  end

image_counts = {'.jpg' => 0, '.jpeg' => 0, '.png' => 0, '.gif' => 0}

recursive_image_tally('.', image_counts)

puts "Image Type Counts: #{image_counts}"
puts "Total: #{image_counts.values.sum}"