Re: LOGO-L> one small problem

[Tom Woods <woods@moose.ncia.net>]

At 08:05 PM 6/30/97 +0200, Harrie wrote:
>So ... MSWLOGO
>        SWLOG
>         WLO
>          L
>
>I write the following procedure
>
>to remove :wrd
>if emptyp :wrd [stop]
>print :wrd
>remove bf bl :wrd
>end
>
>When the procedure gets to the last letter (L), I get a error message
>" .... Logo doesn't like [] as an input for bf .... ".
>I understand the error. But how do I fix it?
>

Try this:
   to r2 :wrd
   if emptyp :wrd [stop]
   print :wrd
   ifelse greaterp count :wrd 1 [r2 bf bl :wrd] [r2 bf :wrd]
   end

Not very eloquent, but it gets the job done. The ifelse keeps you from
taking one too many characters from the string.

Regards,
Tom

---------------------------------------------------------------
Please post messages to the Logo forum to logo-l@gsn.org.  Mail
questions about the list administration to logofdn@gsn.org.  To
unsubscribe send    unsubscribe logo-l    to majordomo@gsn.org.