[R] Checking the existence of a file

Martyn Plummer plummer at iarc.fr
Thu Jun 15 11:39:54 CEST 2000

On 15-Jun-00 Jonathan Myles wrote:
> Is there a platform-independent way of checking in R whether a 
> given file exists in the user's filespace? 
> (so in a unix system, can you check within R whather, say, 
>  /homef/jonm/thisfile
>  exists)

The function file.exists() will do this. See the help page for
related useful functions.

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