Dear Rolf,
By default, the file system is not case-sensitive.
So the answer to file.exists(".Rdata") is correct. And you won't be
able to write .RData without overwriting .Rdata
You can format a drive with a case-sensitive file system if you wish
(Spotlight:Disk Utility), but many applications won't be happy to find
folders containing files with the same (insensitive) name inside.
tim
On 19 Feb 2009, at 11:47 PM, 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''.
Likewise I have just noticed that in R
file.exists(".Rdata")
returns TRUE when no file .Rdata exists (but there *is* a
file .RData).
This strikes me as an undesirable, uh, feature. Is there any way that
I can tell OS X to smarten up about this?
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