I solved a similar problem to this with yasnippets:

http://kitchingroup.cheme.cmu.edu/blog/2014/02/16/A-dynamic-snippet-for-a-task-due-7-days-from-now/

You can dynamically evaluate lisp code in the snippet when it is expanded.
That way you can get whatever format suits you!

John

-----------------------------------
John Kitchin
Associate Professor
Doherty Hall A207F
Department of Chemical Engineering
Carnegie Mellon University
Pittsburgh, PA 15213
412-268-7803
http://kitchingroup.cheme.cmu.edu



On Sun, Feb 16, 2014 at 2:33 PM, Rainer M Krug <Rainer@krugs.de> wrote:

>
>
> On 02/16/14, 19:08 , Nick Dokos wrote:
> > Rainer M Krug <Rainer@krugs.de> writes:
> >
> >> is it possible to insert the actual date into Easy Templates?
> >>
>
> That's what I thought as well.
>
> >
> > No - but it's not difficult to crib the %file code and add %date:
> >
> > --8<---------------cut here---------------start------------->8---
> > (defun org-complete-expand-structure-template (start cell)
> >   "Expand a structure template."
> >   (let* ((musep (org-bound-and-true-p org-mtags-prefer-muse-templates))
> >        (rpl (nth (if musep 2 1) cell))
> >        (ind ""))
> >     (delete-region start (point))
> >     (when (string-match "\\`#\\+" rpl)
> >       (cond
> >        ((bolp))
> >        ((not (string-match "\\S-" (buffer-substring (point-at-bol)
> (point))))
> >       (setq ind (buffer-substring (point-at-bol) (point))))
> >        (t (newline))))
> >     (setq start (point))
> >     (if (string-match "%file" rpl)
> >       (setq rpl (replace-match
> >                  (concat
> >                   "\""
> >                   (save-match-data
> >                     (abbreviate-file-name (read-file-name "Include file:
> ")))
> >                   "\"")
> >                  t t rpl)))
> > ;;; ADDED CODE
> >     (if (string-match "%date" rpl)
> >       (setq rpl (replace-match
> >                   (save-match-data
> >                     (format-time-string "%Y-%m-%d" (current-time)))
> >                  t t rpl)))
> > ;;; END OF ADDED CODE
> >     (setq rpl (mapconcat 'identity (split-string rpl "\n")
> >                        (concat "\n" ind)))
> >     (insert rpl)
> >     (if (re-search-backward "\\?" start t) (delete-char 1))))
> >
> > --8<---------------cut here---------------end--------------->8---
> >
> > However, the next thing somebody will ask is a different format for the
> > date which will require YACV[fn:1]. But maybe one exists already?
> >
> > And the next thing is more of these %thingies... so it would be better
> > to add yet another layer to the function, so that arbitrary %thingies
> > can be added by customizing YACV, probably an alist of
> >
> >  ("thingie" . thingie-function)
> >
> > pairs...
>
> That sounds like a good idea which would make the Easy Templates more
> powerful.
>
> Cheers,
>
> Rainer
>
> >
> > Footnotes:
> >
> > [fn:1] Yet Another Customization Variable :-)
> >
>
> --
> Rainer M. Krug, PhD (Conservation Ecology, SUN), MSc (Conservation
> Biology, UCT), Dipl. Phys. (Germany)
>
> Centre of Excellence for Invasion Biology
> Stellenbosch University
> South Africa
>
> Tel :       +33 - (0)9 53 10 27 44
> Cell:       +33 - (0)6 85 62 59 98
> Fax :       +33 - (0)9 58 10 27 44
>
> Fax (D):    +49 - (0)3 21 21 25 22 44
>
> email:      Rainer@krugs.de
>
> Skype:      RMkrug
>
>