Grant Rettke <gcr@wisdomandwonder.com> writes:

> My eye is on you post about that topic because I would also like to know.

As you are using R, and if you are using sessions, what about setting
them from within R[1]?

Rainer

>
>
>
> On Fri, Sep 26, 2014 at 8:17 AM, Johannes Rainer
> <johannes.rainer@gmail.com> wrote:
>> thanks Grant for this information.
>>
>> I was just wondering, because it seemed to me that some environment
>> variables (from the shell) are present in the, while they some
>> (LC_ALL) are not present in the export process.
>> In my case, the export call fails with an error message, while there
>> is no problem if I evaluate source block per source block from the
>> buffer.
>>
>> At present I am therefore looking for a way to specify environment
>> variables in the export process, but I have no idea how to do
>> that...
>>
>> On 26 Sep 2014, at 15:11, Grant Rettke <gcr@wisdomandwonder.com> wrote:
>>
>>> On Fri, Sep 26, 2014 at 5:43 AM, Johannes Rainer
>>> <johannes.rainer@gmail.com> wrote:
>>>> I am wondering what the difference between the eval of a source block and the export of a buffer is in terms
>>>> of the process in which the code is evaluated.
>>>
>>> When you evaluate a source block, it executes in the processed defined
>>> by your configuration. Then the results of that evaluation are stored
>>> according to your configuration. For example store the results in an
>>> example block.
>>>
>>> Exporting is the conversion for the org file content into and file
>>> format. During that process, you can configure whether or not you want
>>> evaluation of source blocks to occur during that process.
>>


Footnotes: 
[1]  http://stat.ethz.ch/R-manual/R-devel/library/base/html/Sys.setenv.html

-- 
Rainer M. Krug
email: Rainer<at>krugs<dot>de
PGP: 0x0F52F982