INNER CODE UNIT · Go

Erase

GGP1/kure · commands/util.go:179

func Erase(filename string) error {
	f, err := os.Stat(filename)
	if err != nil {
		return errors.Wrap(err, "obtaining file information")
	}

	buf := make([]byte, f.Size())
	_, _ = rand.Read(buf)

	// WriteFile truncates the file and overwrites it
	if err := os.WriteFile(filename, buf, 0o600); err != nil {
		return errors.Wrap(err, "overwriting file")
	}

	if err := os.Remove(filename); err != nil {
		return errors.Wrap(err, "removing file")
	}

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