RailsImageCounter.rb

require 'find'

class RailsImageCounter
  
  def self.read_images(dir = 'public/images', images = [])
    Find.find(dir) { |f| images << [File.basename(f), 0, f] if File.file?(f) }
    images
  end
  
  def self.count(images, dir = 'public/stylesheets')
    Find.find(dir) do |f|
      if File.file?(f)
        contents = File.open(f, "r").to_a.join("\n")
        images.each_with_index { |img, idx| images[idx][1] += 1 if contents.include?(img[0]) }
      end
    end
    images
  end
  
end
    

images = RailsImageCounter.read_images
images = RailsImageCounter.count(images, 'public/stylesheets')
images = RailsImageCounter.count(images, 'app/views')
images = RailsImageCounter.count(images, 'app/helpers')
images.sort{ |a, b| a[1] <=> b[1]}.each { |img| puts "#{img[1].to_s.ljust(4)} #{img.first.ljust(40)} #{img[2]}" }