[R] R with command line

[Duke]

On 4/28/10 9:53 AM, Duncan Murdoch wrote:
> On 28/04/2010 9:38 AM, Duke wrote:
>> On 4/27/10 8:04 PM, Duncan Murdoch wrote:
>> > On 27/04/2010 6:15 PM, Duke wrote:
>> >> Hi all,
>> >>
>> >> I am testing R by trying R on command line (ie without opening R 
>> >> console) on a Mac Pro with 10.6. So I created a file plot.R:
>> >>
>> >> x11(width=5,height=3.5)
>> >> plot(1:10,1:10)
>> >>
>> >> So I have two questions below (please forgive me if the questions 
>> >> have been asked already)
>> >>
>> >> 1. What is the different between *R CMD BATCH infile.R* and *R >> 
>> --vanilla --slave < infile.R*?
>> >
>> > Those are quite similar.  A couple of differences are:
>> >
>> > --vanilla changes the startup options.  You'll use fewer of the > 
>> profile etc. files.  See ?Startup for the details.
>> >
>> >  R CMD BATCH sets up an output file to collect the output.  It 
>> would > likely be called infile.Rout.  It would also have a 
>> proc.time() call > added at the end.
>>
>> Got it now. Thanks Duncan.
>>
>> >
>> >> 2. When I ran plot.R with one of the above methods, the plot 
>> showed >> up for like a second and disappear. What should I do to 
>> keep the plot >> there until the user closes it?
>> >
>> > If you have a user involved, you should be running interactively, 
>> not > in batch mode. You can automatically run your infile.R ahead of 
>> > starting the session by setting an environment variable named > 
>> R_PROFILE_USER pointing to that file; e.g.
>> >
>> > R R_PROFILE_USER=infile.R
>> >
>> > (which sets the variable temporarily, only for that session).
>>
>> Well, it seems to be beyond my understanding. Could you please 
>> elaborate a little bit more?
>
> Just type the line I gave you.  I don't really see how to elaborate.

I just did it, and it said it ignored the arg:

$ R R_PROFILE_USER=try.R
ARGUMENT 'R_PROFILE_USER=try.R' __ignored__


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[Previously saved workspace restored]

 >

What am I doing wrong?

Thanks,

D.

>
> Duncan Murdoch
>