[R] Printing output in STDOUT

Esmail Bonakdarian esmail.js at gmail.com
Tue May 20 18:30:15 CEST 2008


Prof Brian Ripley wrote:
> 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.

Yes, that's quite likely to be the case .. I like your suggestions
below much better - saved away for future reference too.

Esmail



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