From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eric S Fraga <ucecesf@ucl.ac.uk>
Subject: Re: Relative dates with sexep
Date: Sat, 18 Sep 2010 20:03:15 +0100
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To: julien cubizolles <j.cubizolles@free.fr>
Cc: org-mode <emacs-orgmode@gnu.org>

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On Fri, 17 Sep 2010 16:41:55 +0200, julien cubizolles <j.cubizolles@free.fr=
> wrote:
>=20
> Le vendredi 17 septembre 2010 =C3=A0 09:01 +0100, Eric S Fraga a =C3=A9cr=
it :
> > On Thu, 16 Sep 2010 18:27:18 +0200, julien cubizolles <j.cubizolles@fre=
e.fr> wrote:
> > >=20
> > > I'm trying to specify a date relative to another date in an org file.
> > > I've tried to adapt one of the examples from worg, with :
> > >=20
> > >  <%%(=3D 7 (- (calendar-absolute-from-gregorian date)
> > >             (calendar-absolute-from-gregorian (02 02 2010))))>
> > >=20
> > > to get the date one week after the 2nd of february 2010. Bad sexp...
> >=20
> > Quote the date: ... '(02 02 2010)
> > as it is trying to evaluate the function "02" otherwise.
>=20
> I'm trying to make it reusable by defining a function in my .emacs :
>=20
> (defun diary-relative (n day)
>   "Diary entry that will always appear N days from day"
>   (=3D
>    (calendar-absolute-from-gregorian date)
>    (+ n (calendar-absolute-from-gregorian day))))
>=20
> I try to use it with a sexp like :
> <%%(diary-relative (7 '(09 15 2010)))>
>=20
> which doesn't work. I really need to seriously read about lisp
> programming...

Possibly! ;-)

Try <%%(diary-relative 7 '(09 15 2010))>
as the arguments to a function should not be in ()s.

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-- 
Eric S Fraga
GnuPG: 8F5C 279D 3907 E14A 5C29  570D C891 93D8 FFFC F67D

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