[R] shelling out to R for one command

[Paul Meagher]

>> Is there a way to pass R a one-liner without having to put it into a
>> batch file and submit it to R as a batch job.

David Firth wrote

>
> various possibilities for this using unix redirection
> e.g.
>
> david% echo "3+4" | R --slave
> [1] 7

This works nicely:

echo "q(.975, 20)" | R --slave

> One could for example set this up as a shell script "Roneliner",
> so that
>
> david% Roneliner "3+4"
> [1] 7

Or this:

paul% R1 "3+4"
[1] 7

BTW, what do you think Roneliner would look like as a shell script?

> Possibly it's more economical also to use arguments
>      --no-restore --no-save --no-readline --gui=none
> in addition to --slave.

The most economical startup options would be good to know.

My guess would be just  --vanilla option?

Regards,
Paul


> David
>
>
>> Regards,
>> Paul Meagher
>>
>>
>>
>>
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