45 chars. It uses revers but not reverse. 
    #23456789_123456789_123456789_123456789_12345
    perl -le'$=/=split//,revers;print$=--while$='

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--
John.

In reply to Re: TIMTOWTDI/golf - counting backwards by jmcnamara
in thread TIMTOWTDI/golf - counting backwards by Juerd

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