Hi Thomas, I've just pushed this functionality up to the main branch. To make use of it add the following to your Emacs config.
(setq org-babel-hash-show-time t) It works for me in some simple tests, and I can confirm that with this variable set to nil, I get no new failures in the Org-mode test suite, so it shouldn't introduce any problems. Thanks for suggesting this functionality, Thomas Alexander Gerds <t...@biostat.ku.dk> writes: > Hi Bastien, > > thanks for you reply, in particular for showing how to avoid > org-insert-time-stamp to convert the current-time into a string. > > I should have said more clearly what I had in mind with this. I was > thinking of a reproducible report or manuscript with R source blocks > that produce some results. Here org babel allows one to enable caching > for some or all source-blocks. My proposal has two advantages: > > 1) when visiting the cached results of a particular block after some > time, e.g. one year later, it would be visible *when* the block was > evaluated. This can be useful, e.g., when there are several versions of > the same dataset which are used to produce the cached results. > > 2) sometimes it may be unclear which blocks are evaluated when running > org-babel-execute-buffer or org-export-as-x, in particular for org-babel > novices. Thus, showing the evaluation time in the results header will > help to learn how caching works. > > Cheers > Thomas > > > > > > > Bastien <b...@altern.org> writes: > >> Hi Thomas, >> >> Thomas Alexander Gerds <t...@biostat.ku.dk> writes: >> >>> (when hash (concat "[["hash"][" (with-temp-buffer >>> (org-insert-time-stamp (current-time) 'hm)) "]]")) >>> but, not sure if that is a good idea and what other changes this >>> would require. >> >> I'm not sure too (both whether this is a good idea and whether this >> would trigger other changes)... but I'd say this is a very specific >> need, and it can be fulfilled by asking the code to insert a timestamp >> into the exported results, right? >> >> See for e.g.: >> #+BEGIN_SRC emacs-lisp :results raw >> (message ";; %s" (format-time-string (cdr org-time-stamp-custom-formats))) >> #+END_SRC >> HTH, > -- > -- Eric Schulte http://cs.unm.edu/~eschulte
