_file

func Append(path string, content interface{})

func Copy(old string, new string)

func Delete(path string)

func Exists(path string) bool

func Open(path string, flag int, perm os.FileMode) *file

func ReadAll(path string) []byte

func ReadAllAsInt64(filepath string) int64

func ReadAllAsString(filepath string) string

func Rename(old string, new string)

func Write(path string, content interface{})