On Oct 11, 2012, at 6:04 PM, Nathan Neff wrote:
> Hello,
>
> I'm trying to create a function that will tell org-capture
> dynamically where to put the captured item.
>
> I have it almost working -- where I'm getting hung up on is
> with basic Emacs lisp. I want to basically implement this
> pseudo code:
>
> IF I have defined a variable called njn/current-q-file then
> (find-file njn/current-q-file)
> ELSE
> (find-file ("questions.org")))
>
> However, if I do not define my njn/current-q-file then
> I get a "Symbol's value as variable is void" error when Emacs starts up.
>
> How do I test for the existence (and non-nil ness of a variable in Emacs)
You can use boundp. So
(if (boundp 'njn/current-q-file)
njn/current-q-file
"questions.org")
can be used wherever you need it.
-Ivan
