[ESS] Open .R files from backtrace as read-only?

Rainer M Krug Rainer at krugs.de
Wed Jun 5 11:34:52 CEST 2013

Andreas Leha <andreas.leha at med.uni-goettingen.de> writes:

> Vitalie Spinu <spinuvit at gmail.com> writes:
>>  >> Rainer M Krug <Rainer at krugs.de>
>>  >> on Mon, 03 Jun 2013 13:53:00 +0200 wrote:
>>  > Hi
>>  > I am using org-mode for programming, therefore editing my .R files
>>  > directly is futile, as the edits will be overwritten by the next
>>  > tangle. Nevertheless, it happens to me from time to time, mainly when I
>>  > am debugging and open the .R file from the ess-traceback buffer.
>>  > Would it be possible, to have an option to open the .R file from the
>>  > ess-tracebak buffer as read-only?
>> And how to distinguish which files you want read only and which you
>> don't. This doesn't look to me like a very useful features. 
>> Would it be feasible to redirect source references to original org file?
>> Something of that kind now works with org's C-c '. If you evaluated
>> functions in org edit buffer. You will be redirected to original org
>> file on errors or debug. It doesn't work with org's C-c C-c as yet, but
>> I am looking into it.
>>  > Or is there another way of achieving this?
>> There is visit-file-hook. You can add to it a simple function that
>> checks for a file name and marks buffer read only.
> You could have a local file variable setting this.  Put that at the end
> of your .R (or have it tangled there).  Might do what you want.
> Local variables:
> buffer-read-only: t
> End:

Thanks - these local variables look promising here.



> Regards,
> Andreas
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Rainer M. Krug

email: RMKrug<at>gmail<dot>com

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