[R] How to check if file is on a drive?

[Romain Francois]

?file.exists

On 12/03/2009 11:31 AM, Sergey Goriatchev wrote:
>
> Hello, everyone
>
> How would I check in R if a particular file (Excel file) is in a
> particular folder on a particular drive?
> I am writing a piece of code around that file, using xls.open() in
> xlsReadWritePro to open the file in memory and use it. But before I
> try to open the file I want to catch the possibility of the file not
> being on the drive.
>
> Thank you in advance!
>
> SG

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