[R] Problem with dir.create (R2.2.0 Windows XP 2002 SP 2)

Prof Brian Ripley ripley at stats.ox.ac.uk
Wed Dec 14 23:52:42 CET 2005

On Wed, 14 Dec 2005, Peter Dalgaard wrote:

> hadley wickham <h.wickham at gmail.com> writes:
>>> I hope this isn't an insulting question, but does drive D: exist on that
>>> machine?
>> Yes, it definitely does!  I'd expect setwd("d:/") to give an error if it didn't
> What is the file system? I seem to recall that the top directory of a
> (V)FAT drive is somehow special, so setwd'ing to it might put a lock
> on it. Not that I know what I'm talking about, but Windows is
> notorious for that sort of thing.

Indeed, but only in so far that the directory is non-extensible (e.g. 
limited to 112 files).  I thought it might be that a lock, but it is a 
simple question of sometimes mis-parsing paths with drives in them.

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 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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