[R] Returning only a file path on Windows

Uwe Ligges ligges at statistik.tu-dortmund.de
Fri May 22 17:17:08 CEST 2009

Are you looking for choose.dir() ?
Or basename() and dirname()?

Uwe Ligges

amvds at xs4all.nl wrote:
> I am choosing a file like this:
> #Bring up file selection box
> fn<-file.choose()
> fp<-file.path(fn,fsep='\\')
> Unfortunately, the file path contains the short file name and extension as
> well. I had hoped to get only the path so I could make my own long
> filenames (for output graphs) by concatenation with this file path.
> Of course I can split the string and assemble the components from the
> returned list:
> fp<-strsplit(fp,'\\',fixed=TRUE)
> But there must be a better way?
> Thanks in advance,
> Alex van der Spek
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