[R] windows nt/access other directories/ attach/system

[Thomas Lumley]

On Fri, 1 Jun 2001, S.McClatchie wrote:
> As recommended, I keep separate directories for projects, but also use
> separate sub-directories for types of data (e.g. different oceanographic
> instruments) within projects.
>
> My problem is that I often need to access the objects and data (not
> stored as objects) in more than one directory.
>
> I understand (mistakenly?) that at present you cannot use attach() with
> directories, just with objects and packages. Also I think
> system("command") is for the UNIX environment. System("cd ..") gives
> me an error under Windows NT.

system() does work under Windows, but system("cd ..") wouldn't change the
working directory even under Unix. setwd() is for changing directories.

	-thomas

Thomas Lumley			Asst. Professor, Biostatistics
tlumley at u.washington.edu	University of Washington, Seattle

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