[Make Directory if it does not exist] #go #golang #directory #create #mkdir

Make Directory if it does not exist.go

// makeDirectoryIfNotExists asserts whether a directory exists and makes it
// if not. Returns nil if exists or successfully made.
func makeDirectoryIfNotExists(path string) error {
	fi, err := os.Stat(path)
	switch {
	case err == nil && fi.IsDir():
		return nil
	case err == nil && !fi.IsDir():
		return fmt.Errorf("%s already exists as a regular file", path)
	case os.IsNotExist(err):
		return os.MkdirAll(path, 0750)
	case err != nil:
		return err
	}

	return nil
}