code: func AbsPath(pth string) (string, error) {
  	if pth == "" {
  		return "", errors.New("No Path provided")
  	}
  
  	pth, err := ExpandTilde(pth)
  	if err != nil {
  		return "", err
  	}
  
  	return filepath.Abs(os.ExpandEnv(pth))
  }
docs: // AbsPath expands ENV vars and the ~ character
  //	then call Go's Abs