Exemplo n.º 1
0
func GetDBSize(dbname string) (size string, err error) {
	info, err := os.Stat(DataDir + "/" + dbname)
	if err != nil {
		return "", err
	}
	if !info.IsDir() {
		return "", ErrInvalidDir
	}

	cmd := exec.Command("du", DataDir+"/"+dbname, "-s", "-k")
	output, err := cmd.CombinedOutput()
	if err != nil {
		return "", errors.Append(err, errors.New(string(output)))
	}
	size = strings.TrimSpace(strings.Split(string(output), "\t")[0])

	return size, nil
}
Exemplo n.º 2
0
func main() {
	err1 := errors.Wrap(Err1, Err2)
	err2 := errors.Append(Err2, Err1)
	fmt.Printf("%T: %v\n", err1, err1)
	fmt.Printf("%T: %v\n", err2, err2)
}