On Mon, 27 May 2002 09:00:37 +0200, Mark Weyer
<wey### [at] fregemathematikuni-freiburgde> wrote:
> I agree this is a useful feature, although for different reasons.
> Consider the following macro:
> #macro reverse_string (s)

#macro reverse_string (s)
  #if(strlen(s)>1)
    concat(
      #local j=strlen(s);
      #while (j)
        substr(s,j,1)
        #local j=j-1;
      #end
    )
  #else
    s
  #end
#end

ABX

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