you can get this functionality with the help of AUTOLOAD, see Re: autoload usage
in reply to "Fields" for "Objects"
This code could be seen in the examples of the book 'Advanced Perl Programming' by sriram srinivasan.
-- In accordance with the prarabdha of each, the One whose function it is to ordain makes each to act. What will not happen will never happen, whatever effort one may put forth. And what will happen will not fail to happen, however much one may seek to prevent it. This is certain. The part of wisdom therefore is to stay quiet.