Re: updating the last element in a skill list

On Apr 25, 8:47=A0pm, Jean-Marc Bourguet <j...@[EMAIL PROTECTED]
> wrote:
> nour <nour.laou...@[EMAIL PROTECTED]
> writes:
> > hello,
>
> > I have a problem:
>
> > I want to update the last element in a skill list by incrementing it ,
> > for example I have the following list: =A0 =A0list=3D'(4 6) and I want
t=
o
> > transform it to this one =A0list=3D'(4 7).
>
> > There is a skill fonction which can do it: rplacd(name_liste
> > new_value) but it works only when I give the exact new_value, for
> > example i must tape
> > =A0rplacd( list '(7))
>
> > Please help me because i must use it in a "for" fonction so the
> > incrementation must happen automatically ....
>
> > I've tried this but it didn't work:
>
> > y=3Dnth( 1 list)+1
> > rplacd( list =A0'(y))
>
> > it generate the following list: =A0 (4 y)
>
> > thanks a lot for the one who will help me
>
> (defun addtolast (l inc)
> =A0 =A0(setcar (last l) (plus (last l) inc)))
>
> --
> Jean-Marc- Hide quoted text -
>
> - Show quoted text -

thanks for everybody who had helped me.....