Remove unused images

gistfile1.rb

require "fileutils"

img =Dir.glob("**/*.jpg")+Dir.glob("**/*.png")+Dir.glob("**/*.gif")
data=Dir.glob("**/*.htm*")+Dir.glob("**/*.css")+Dir.glob("**/*.js")

puts  "#{img.size} images found & #{data.size} files found to search against"

content=""
data.each do |f|
  content+=File.open(f, 'r').read
end

img.each do |m|
  if not content=~ Regexp.new("\\b"+File.basename(m)+"\\b")
    FileUtils.mkdir_p "../unused/"+File.dirname(m)
    FileUtils.mv m, "../unused/"+m
    puts "Image "+m+" moved to ../unused/"+File.dirname(m)+" folder"
  end
end