#+NAME: certfile
#+begin_src emacs-lisp
 ((eq system-type 'gnu/linux) "/etc/ssl/cert.pem")
 ((eq system-type 'darwin) "~/Mail/certificates/root-certificates.pem"))

#+begin_src conf :tangle .mbsyncrc :noweb yes
User user@domain.org
CertificateFile <<certfile()>>

I don't see conf language being listed at https://orgmode.org/worg/org-contrib/babel/languages/index.html

Is it functioning example or just pseudo-code org-babel snippet? How to install it?

1 Answer 1


My mistake was that I used org-babel-execute instead of org-babel-tangle.

Also, conf-mode package is nice to have installed for such blocks.

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