if err := setxattr(path, name, value); err != nil {
			log.Fatalln(fmt.Errorf("setting attribute %s failed with: %v", name, err))
		}
	} else {
		if name == "" {
			log.Fatalln("you must specify an attribute name for reading")
		}
		var names []string
		if name == "." {
			attrs, err := listxattr(path)
			if err != nil {
				log.Fatalln(fmt.Errorf("listing attributes failed with: %v", err))
			}
			names = append(names, attrs...)