[R] Checking the existence of a file

[Jonathan Myles]

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)

Thanks

Jonathan Myles


-- 
Dr. Jonathan Myles         e-mail:jonathan.myles at mrc-bsu.cam.ac.uk
MRC Biostatistics Unit     Tel. 01223 330372
Institute of Public Health FAX  01223 330388
University Forvie Site
Robinson Way
CAMBRIDGE
CB2 2SR                   


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