[R] How to execute multiple R scripts sequentially in unix background

[Uwe Ligges]

On 21.05.2010 09:29, Yong Wang wrote:
> Dear list
>
> I need to 1) run several R scripts sequentially due to results waiting
> and 2) run them in unix background since my ssh frequently timeout for
> some reason.
> if paste following codes to unix
>
> R --vanilla script1&
> R --vanilla script2&
> R --vanilla script3&


1. Write a shell script that does the above, or

2. Write an R "script" that contains the lines:

source(script1)
source(script2)
source(script3)

and call it via

R --vanilla script


or or or.....

Uwe Ligges



> will result in simultaneous instead of sequential execution of the
> three scripts.
>
> source() might be an alternative, however, I am not clear how to run
> it in the background.
>
> Thanks
>
> yong
>
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