def generate_output(inputs, output)
      inputs.each do |input|
        output.write compile(input.read)
      end
    end
def generate_output(inputs, output)
      inputs.each do |input|
        output.write compile(input.read)
      end
    end
@param [Hash] options options to pass to the markdown
   compiler
 @see http://rubydoc.info/gems/redcarpet/2.0.0/frames for more information
   about options
 @option options [#call] :compiler If you wish to use a different
   Markdown compiler, you can do so by passing anything that responds
   to `:call`, which will be passed the Markdown text and any
   options (other than `:compiler`).
 @option options [Redcarpet::Render::Base] :renderer a
   Redcarpet renderer. Used only if using the default compiler.
 @param [Proc] block a block to use as the Filter's
   {#output_name_generator}.
 Implement the {#generate_output} method required by
 the {Filter} API. Compiles each input file with Sass.

 @param [Array<FileWrapper>] inputs an Array of
   {FileWrapper} objects representing the inputs to
   this filter.
 @param [FileWrapper] output a single {FileWrapper}
   object representing the output.