[Rd] R CMD BATCH vs R CMD batch

[Dirk Eddelbuettel]

On 28 October 2015 at 21:39, Marius Hofert wrote:
| Out of laziness I just used "R CMD batch" instead of "R CMD BATCH". I
| didn't get an error so didn't think about the consequences... One
| consequence is (at least on Mac OS X 10.11 but probably in more
| generality) that R_BATCH_OPTIONS are ignored, which was kind of fatal
| in my case... I am thus wondering whether it makes sense to either a)
| have R_BATCH_OPTIONS also be respected for "R CMD batch" or b) simply
| not allow "R CMD batch" as a valid command (so requiring to use "R CMD
| BATCH"). Both approaches might be delicate... just wanted to point
| this issue out...

Same reason we have 'R CMD INSTALL' as there often is /usr/bin/install with
different options ...

In general 'R CMD foo' will run for any 'foo' in the path:

   edd at max:~$ R CMD date
   Wed Oct 28 21:05:01 CDT 2015
   edd at max:~$ 

Dirk

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