code: func (tz *TzArchive) DeleteName(name string) error {
  	for i, f := range tz.files {
  		if f.Name == name {
  			return tz.DeleteIndex(i)
  		}
  	}
  	return errors.New("entry with given name not found")
  }
docs: // DeleteName deletes an entry in the archive by its name.