# File lib/scrubyt/output/export.rb, line 64
    def self.export(root_pattern, wrapper_name, output_file_name=nil, extractor_result_file_name=nil)
      sexp = [:block]
      sexp << export_header(wrapper_name)
      sexp << export_extractor(root_pattern, wrapper_name)
      sexp << export_footer(wrapper_name, extractor_result_file_name)
      
      result = RubyToRuby.new.process(sexp)
      result.gsub! '"' + root_pattern.source_file + '"', '__FILE__'

      output_file_name ||= "#{wrapper_name}_extractor_export.rb"
      output_file = open(output_file_name, 'w')
      output_file.write(result)      
      output_file.close
      result
    end