[R] PNG diver problem

Dirk Eddelbuettel edd at debian.org
Thu Nov 29 19:09:33 CET 2001

On Thu, Nov 29, 2001 at 10:40:23AM -0700, Andrew Schuh wrote:
> Let me expand my question some.  I use R in batch mode for interactive 
> web statistics (via RH7.2 and R1.3).  I have experimented with using the 
> Tcl/Tk and SJava packages, as well as starting gui apps from batch mode. 
> I haven't really been able to start any of them and I assume this is 
> due to the discussion that has been going on here.  I work in parallel 
> with someone who works in W2000.  He doesn't seem to have any problem 
> with starting this kind of stuff.  It is a real development hinderance 
> not to be able to start GUI apps from batch mode.  Does anyone out there 
> have any suggestions?

Yes, read the documentation, this thread and the previous ones on the same
topic. You can easily sail around the issue by doing

       echo 'bitmap("/tmp/foo.png"); plot(1:10)' > /tmp/foo.R
and foo.R can now be run in interactive sessions, or in batch sessions with
no controlling device as in       

       echo 'R --no-save < /tmp/foo.R' | at now

You should be able to adapt this to your needs.


Better to have an approximate answer to the right question than a precise 
answer to the wrong question.  --  John Tukey as quoted by John Chambers
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