Function ioOutput

iolib.go:718–742

(L *LState)

}

func ioOutput(L *LState) int {
	if L.GetTop() == 0 {
		L.Push(fileDefOut(L))
		return 1
	}
	switch lv := L.Get(1).(type) {
	case LString:
		file, err := newFile(L, nil, string(lv), os.O_WRONLY|os.O_CREATE, 0600, true, false)
		if err != nil {
			L.RaiseError(err.Error())
		}
		L.Get(UpvalueIndex(1)).(*LTable).RawSetInt(fileDefOutIndex, file)
		L.Push(file)
		return 1
	case *LUserData:
		if _, ok := lv.Value.(*lFile); ok {
			L.Get(UpvalueIndex(1)).(*LTable).RawSetInt(fileDefOutIndex, lv)
			L.Push(lv)
			return 1
		}

	}
	L.ArgError(1, "string or file expedted, but got "+L.Get(1).Type().String())
	return 0
}

func ioWrite(L *LState) int {
	return fileWriteAux(L, fileDefOut(L).Value.(*lFile), 1)