def process_result
      require 'sass'

      if @options[:recursive]
        process_directory
        return
      end

      super
      input = @options[:input]
      if File.directory?(input)
        raise "Error: '#{input.path}' is a directory (did you mean to use --recursive?)"
      end
      output = @options[:output]
      output = input if @options[:in_place]
      process_file(input, output)
    end
def process_result
      require 'sass'

      if @options[:recursive]
        process_directory
        return
      end

      super
      input = @options[:input]
      if File.directory?(input)
        raise "Error: '#{input.path}' is a directory (did you mean to use --recursive?)"
      end
      output = @options[:output]
      output = input if @options[:in_place]
      process_file(input, output)
    end
Processes the options set by the command-line arguments,
 and runs the CSS compiler appropriately.