http://qs1969.pair.com?node_id=89084


in reply to Re: Re: (Golf) Kaprekar's Process
in thread (Golf) Kaprekar's Process

You're double-quoting the code, which means that the variables are getting interpolated into undef 0-length strings.
   MeowChow                                   
               s aamecha.s a..a\u$&owag.print