code: func (f Files) Lines(path string) []string {
  	if f == nil || f[path] == nil {
  		return []string{}
  	}
  
  	return strings.Split(string(f[path]), "\n")
  }
docs: // Lines returns each line of a named file (split by "\n") as a slice, so it can
  // be ranged over in your templates.
  //
  // This is designed to be called from a template.
  //
  // {{ range .Files.Lines "foo/bar.html" }}
  // {{ . }}{{ end }}