[R] Invoke operating system command

[Clint Bowman]

?system

Clint Bowman			INTERNET:	clint at ecy.wa.gov
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On Thu, 13 Jul 2006, Gang Chen wrote:

> Hi all,
>
> How can I invoke an operating system command in R? I mean something
> like exclamation mark (!) inside Matlab.
>
> Thanks,
> Gang
>
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