[R] Calling R from R and specifying "wait until script is finished"

[Duncan Murdoch]

Lapointe, Pierre wrote:
> Hello,
> 
> Let's say I have 50 R scripts to run.  What would be the most efficient way
> to run them?
> 
> I thought I could do multiple Rterms in a DOS batch file:
> 
> Ex:
> Rterm <1.R> 1.txt 
> Rterm <2.R> 2.txt 
> ...
> Rterm <50.R> 50.txt 
> 
> However, I'm afraid they will all open at the same time.   

That could be a problem if you had used Rgui (depending on which shell 
you are using), but Rterm should run until completion before the next 
line of the batch file will start.

Duncan Murdoch


I know I could
> pause the batch file with something like: 
> 
> PING 1.1.1.1 -n 1 -w 60000 >NUL  (to delay 60 seconds)
> 
> But that would require that I know how long each of my scripts take.
> 
> Is there an easier way?  Something like calling R from R and specifying that
> the script has to be finished before continuing.
> 
> Thanks
> 
> Pierre Lapointe
> 
> 
> 
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