On Thursday, 16 Nov 2017 at 22:40, Nicolas Goaziou wrote:
> Hello,
>
> Eric S Fraga <esflists@gmail.com> writes:
>
>> The proper solution would be to update ob-gnuplot to change the working
>> directory at every invocation of gnuplot to be the directory where the
>> org file is found.  (gnuplot has a "cd" command for this purpose)
>
> Would you like to propose a patch for that? BTW should the new working
> directory be Org file's or :file, or even :dir?

Nicolas,

can you please advise on how to get the directory the originating org
file may lie in from within org-babel-expand-body:gnuplot?

I cannot remember if I answered your second question but my gut feeling
is that the change of directory should be automatic; the file directive
can always specify a full path if desired.

Thanks,
eric

-- 
: Eric S Fraga via Emacs 27.0.50, Org release_9.1.3-162-gde289d