oswrapper

type File interface {
	Name() string
	Close() error
	Chmod(os.FileMode) error
	Write([]byte) (int, error)
	WriteAt(b []byte, off int64) (n int, err error)
	Sync() error
	Read([]byte) (int, error)
}

type OS interface {
	Create(string) (File, error)
	OpenFile(string, int, os.FileMode) (File, error)
	Rename(string, string) error
	MkdirAll(string, os.FileMode) error
	Remove(string) error
	RemoveAll(string) error
	IsNotExist(error) bool
	Open(string) (File, error)
}