[R-SIG-Mac] Case distinction on a Mac.

Gad Abraham gabraham at csse.unimelb.edu.au
Fri Feb 20 01:28:20 CET 2009

Rolf Turner wrote:
> I have noticed that OS X sometimes fails to make a case distinction in
> the names of files.  E.g. if I have a file ``junk'' and I try to create
> a directory using ``mkdir Junk'' it will refuse to do so saying ``file 
> exists''.

It's a (mis)feature of the underlying HFS+ file system that names are 
not case sensitive (but are case preserving).

R is just carrying over this behaviour. OS X 10.6 will have ZFS (by 
default?), it probably won't be an issue with that file system.

Gad Abraham
Dept. CSSE and NICTA
The University of Melbourne
Parkville 3010, Victoria, Australia
email: gabraham at csse.unimelb.edu.au
web: http://www.csse.unimelb.edu.au/~gabraham

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