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

In reply to Re: Re: Re: (Golf) Kaprekar's Process by MeowChow
in thread (Golf) Kaprekar's Process by srawls

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