[R] unix

Friedrich Leisch Friedrich.Leisch at ci.tuwien.ac.at
Mon Nov 6 17:24:51 CET 2000

>>>>> On Mon, 6 Nov 2000 17:17:14 +0100 (CET),
>>>>> Roger Bivand (RB) wrote:

RB> Both yes and no - I don't think you can change the working directory,
RB> because system() runs a shell process to termination:

>> system("pwd")
RB> /home/rsb
>> system("cd tmp")
>> system("pwd")
RB> /home/rsb
>> system("cd tmp; pwd")
RB> /home/rsb/tmp
>> system("pwd")
RB> /home/rsb

RB> Is there a way to do this too?

Sure, using setwd():

> system("pwd")
> setwd("/tmp")
> system("pwd")

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