From mboxrd@z Thu Jan  1 00:00:00 1970
From: Nick Dokos <ndokos@gmail.com>
Subject: Re: line numbers in org src blocks?
Date: Tue, 13 Oct 2015 10:23:15 +0000 (UTC)
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John Kitchin <jkitchin <at> andrew.cmu.edu> writes:

> 
> Does anyone know if it is possible to get line numbering only in code
> blocks in an org-file?
> 

When exporting? Or in the buffer? If the latter, I don't know. If the
former, -n does that but it is position-sensitive I think:

--8<---------------cut here---------------start------------->8---

* A code block for exporting with line number

#+BEGIN_SRC python -n :exports code
import sys

sys.exit(0)

#+END_SRC

#+BEGIN_EXAMPLE -n
import sys

sys.exit(0)
#+END_EXAMPLE
--8<---------------cut here---------------end--------------->8---

works, but putting it at the end of the BEGIN_SRC line does not.

See

  (info "(org) Literal examples")

for more.
-- 
Nick