package dlna import ( "path/filepath" ) func isHashPath(path string) bool { base := filepath.Base(path) if len(base) == 40 { data := []byte(base) for _, v := range data { if !(v >= 48 && v <= 57 || v >= 65 && v <= 70 || v >= 97 && v <= 102) { return false } } return true } return false }