From mboxrd@z Thu Jan  1 00:00:00 1970
From: Marcin Antczak <marcin.antczak@neutrico-themes.pl>
Subject: How to programmatically use/edit data provided on capture
Date: Sun, 03 Aug 2014 03:03:10 +0200
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Hi all!

I got capture template with prompts to collect some properties:

#+BEGIN_SRC
* TODO %\1 / Some task description
    :PROPERTIES:
    :NAME: %^{NAME}
    :END:
#+END_SRC

My question is: How to get information on user input data to transform 
this data before capture finalize.

For example: I got variable NAME and would like to use function like 
(s-dashed-words string) from s.el to make sure that my NAME is valid and 
converted to dashed syntax.

Let's say that my input is: New random project

I would like to have:

#+begin_src
* TODO new-random-project / Some task description
    :PROPERTIES:
    :NAME: "New random project"
    :END:
#+end_src

While currently I got:

#+begin_src
* TODO New random project / Some task description
    :PROPERTIES:
    :NAME: "New random project"
    :END:
#+end_src

I have been trying:

#+BEGIN_SRC
* TODO %(custom-dashify-function %\1) / Some task description
    :PROPERTIES:
    :NAME: %^{NAME}
    :END:
#+END_SRC

or

#+BEGIN_SRC
* TODO %(custom-dashify-function %\\1) / Some task description
    :PROPERTIES:
    :NAME: %^{NAME}
    :END:
#+END_SRC

But apparently function is executed before %\1 is replaced by my data 
and it dodesn't work.
Could someone help me to write function that would get data I provided 
for property NAME, convert using s-dashed-words and return to template 
before finalize?


Marcin