[R] changing directory (was system command)

Prof Brian D Ripley ripley at stats.ox.ac.uk
Fri Aug 16 11:59:42 CEST 2002

On Fri, 16 Aug 2002, Nader Emami wrote:

> Hello,
> It is very simple question. I want to go to the parent directory and
> give the 'system("cd ../") commnad. But it stayes at the same dirctory
> as before. Do I forget to give some extra parameter to system command in
> this case?

That launches a shell, changes working directory in that shell, then quits.

setwd("..")  should do what I guess you intended, change the working
directory of the R process itself.

Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272860 (secr)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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