I meant in the org-file buffer. The numbers in export are pretty straightforward.
I made a partial solution here: http://kitchingroup.cheme.cmu.edu/blog/2015/10/13/Line-numbers-in-org-mode-code-blocks/ It works pretty well I think. Nick Dokos writes: > 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. -- Professor John Kitchin Doherty Hall A207F Department of Chemical Engineering Carnegie Mellon University Pittsburgh, PA 15213 412-268-7803 @johnkitchin http://kitchingroup.cheme.cmu.edu