# File lib/brakeman/report/pager.rb, line 82
    def less_options
      # -R show colors
      # -F exit if output fits on one screen
      # -X do not clear screen after less exits

      return @less_options if @less_options

      @less_options = []

      if system("which less > /dev/null")
        less_help = `less -?`

        ["-R ", "-F ", "-X "].each do |opt|
          if less_help.include? opt
            @less_options << opt
          end
        end
      end

      @less_options
    end