Re: How to use org-capture with "dynamic ID" targets?

[Darlan Cavalcante Moreira <darcamo@gmail.com>]

It works!
Thanks Eric.

The backquote plus ',' did the job. I now understand why my previous
attempts didn't work and I can imagine what would be necessary to implement
the feature I requested (not worth it).

--
Darlan

At Tue, 29 Jan 2013 13:26:05 +0800,
Eric Abrahamsen wrote:
> 
> Darlan Cavalcante Moreira <darcamo@gmail.com> writes:
> 
> > At Thu, 24 Jan 2013 20:01:47 +0100,
> > Bastien wrote:
> >> Did you tried this?
> >> 
> >> (setq org-capture-templates
> >>  `(("f" "The template description" table-line
> >>         (id ,some_variable)
> >>         "this is the template content"
> >>         :table-line-pos "II-1"
> >>         :immediate-finish t)))
>  
> > This is something I'll have to keep in mind. However, I don't expect this
> > to be a problem since I start Emacs everyday. It is enough for me if I can
> > set the ID to a variable (before setting org-capture-templates) and it uses
> > the variable value as the ID, instead of trying to interpret the variable
> > name as the ID. In fact, even if I ever need to change the variable value
> > after org-capture-templates was set I'm fine by just reevaluating (setq
> > org-capture-templates ...) again so that it sees the new value.
> 
> 
> > Exactly. Simple using the value of whatever list object I put there. Be it
> > a variable value or a function that provides the. I'm fine if the value
> > provided by a variable or a function is only read when
> > org-capture-templates is set.
> 
> > My lisp knowledge is very limited to what I have seen in my Emacs
> > initialization (and a lot of trying and error). But I have never seen "@"
> > used in lisp nor I know what terms to search for it..
> 
> All this above is pretty much exactly what you're looking for. Check out
> the "Backquote" section of the elisp manual for a pretty good
> introduction. If you quote using a backtick (`) rather than an
> apostrophe ('), you can use the comma (,) later on to evaluate variable
> values, see the example at top. I don't believe you need the @ here, but
> the manual section I mentioned explains it.
> 
> I used to do this in my agenda commands, but it wasn't really practical
> because of the "only evaluate once" problem. If you restart emacs every
> day, that won't really be an issue for you.
> 
> E
> 
>