# File lib/fakefs/fileutils.rb, line 253
    def chmod_R(mode, list, _options = {})
      list = Array(list)
      list.each do |file|
        chmod(mode, file)
        [FileSystem.find("#{file}/**/**")].flatten.each do |f|
          chmod(mode, f.to_s)
        end
      end
      list
    end