[R] Printing output in STDOUT
Prof Brian Ripley
ripley at stats.ox.ac.uk
Tue May 20 17:59:02 CEST 2008
On Tue, 20 May 2008, Esmail Bonakdarian wrote:
> Edward Wijaya wrote:
>> Hi,
>>
>> Currently the R script I have is executed with this command:
>>
>> $ R CMD BATCH mycode.R
>>
>> And the output is stored in mycode.Rout.
>>
>> Is there a way I can issue command from shell (like above)
>> so that the output is printed to STDOUT?
>>
>> It's troublesome to open the "Rout" file every time to debug.
>
> Under a Unix system you could try to pipe the command into tail -f
>
> i.e.,
>
> $ R CMD BATCH mycode.R | tail -f
>
> That should display the file as it gets written.
Buffering may get in the way -- so 'gets written' may be much later than
when it is output by R.
> I don't have access to a Unix system right now to give this a try
> but it should be a work around until someone who knows more about
> R can come up with an answer.
What is wrong with
R --vanilla < mycode.R
or variants like
R --no-save < mycode.R
R --no-save -f mycode.R
or even
Rscript mycode.R
? R CMD BATCH is intended (unsurprisingly) for batch use of R.
> HTH
>
> Esmail
--
Brian D. Ripley, ripley at stats.ox.ac.uk
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
1 South Parks Road, +44 1865 272866 (PA)
Oxford OX1 3TG, UK Fax: +44 1865 272595
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