[R] How to replace slashes with back slashes

[Joerg Klausen]

Dear R-helpers

I am running R2.0.0 under Windows 2000. I am compiling a number of file paths into a simple text file that will be read by some other software we use. Unfortunately, it  can only handle file paths with back slashes (MS Windows convention), and from R, I get file paths with forward slashes. The following didn't work. 

> gsub('/', '\\', 'c:/dir1/dir2/file.ext')
[1] "c:dir1dir2file.ext"
> gsub('/', '\\\\', 'c:/dir1/dir2/file.ext')
[1] "c:\\dir1\\dir2\\file.ext"

I have tried to find an answer on R-help, but didn't ;-(

Thanks for helping me,
Kind regards,
Jörg

Dr. Jörg Klausen                       phone : +41 (0)44 823 41 27
EMPA (134)/GAW/QA-SAC     fax   : +41 (0)44 821 62 44
Überlandstrasse 129                 mailto: joerg.klausen at empa.ch 
CH-8600 Dübendorf                  http://www.empa.ch/gaw 
Switzerland                                http://www.empa.ch/gaw/gawsis