# File lib/rspec/core/configuration.rb, line 331
      def get_files_to_run(files)
        patterns = pattern.split(",")
        files.map do |file|
          if File.directory?(file)
            patterns.map do |pattern|
              if pattern =~ /^#{file}/
                Dir[pattern.strip]
              else
                Dir["#{file}/{#{pattern.strip}}"]
              end
            end
          else
            if file =~ /^(.*?)((?:\:\d+)+)$/
              path, lines = $1, $2[1..-1].split(":").map{|n| n.to_i}
              add_location path, lines
              path
            else
              file
            end
          end
        end.flatten
      end