John Kitchin <jkitchin@andrew.cmu.edu> writes:

> Here is one approach:
>
> #+name: update-timestamp
> #+BEGIN_SRC emacs-lisp :var data=""
> (concat
>  "Last run: "
>  (format-time-string "[%Y-%m-%d %a %H:%M:%S]" (current-time))
>  "\n" data)
> #+END_SRC
>
>
> #+BEGIN_SRC python :post update-timestamp(data=*this*)
> print('hello')
> #+END_SRC
>
> #+RESULTS:
> : Last run: [2015-09-21 Mon 11:09:18]
> : hello

Thanks John - that looks nice and I like the idea of using
(current-time) and the possibility to format the time string, but this
info will be part of the export - and I only would like tho have the
info in the org file and not in the exported document.


Rainer

>
>
>
> Rainer M Krug writes:
>
>> Eric S Fraga <e.fraga@ucl.ac.uk> writes:
>>
>>> On Monday, 21 Sep 2015 at 14:46, Rainer M Krug wrote:
>>>
>>> [...]
>>>
>>>> Is it possible to set a timestamp (ur update it when it exists already)
>>>> when a code block has been evaluated, so that I have e record when it
>>>> was updated?
>>>
>>> Could you make use of the :post header argument to invoke emacs lisp and
>>> execute org-time-stamp-inactive in some way?
>>
>> Thanks - sounds possible? But if I just use
>>
>> ,----
>> | :post (org-time-stamp-inactive)
>> `----
>>
>> 1) an input is required and
>> 2) the time stamp is inserted before the #+begin_src and makes the block
>> invalid.
>>
>> How can I put the time stamp in the line after the #+end_src or possibly
>> even in the same line, as this does not seem to have an impact on the
>> source block?
>>
>> Thanks,
>>
>> Rainer
>
> --
> 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

-- 
Rainer M. Krug, PhD (Conservation Ecology, SUN), MSc (Conservation Biology, UCT), Dipl. Phys. (Germany)

Centre of Excellence for Invasion Biology
Stellenbosch University
South Africa

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