[R] unix environment variables under R

Peter Dalgaard BSA p.dalgaard at biostat.ku.dk
Tue Oct 29 13:33:24 CET 2002

Jan Malte Wiener <jan.wiener at tuebingen.mpg.de> writes:

> thanks for your answer,
> but how do i source a file using that environment variable; if the
> environment variable holds a path to a directory and i want to source
> a file within that directory??
> e.g.:
> Sys.putenv("ABC"="~/R-Stuff/")
> in ~/R-Stuff there a bunch of R-files
> now i want to source one of these R-files using the ABC environment
> variable.
> sorry, but i do not know how to do this ?

As in

> file.path(Sys.getenv("HOME"),"foo.R")
[1] "/home/sfe/pd/foo.R"

   O__  ---- Peter Dalgaard             Blegdamsvej 3  
  c/ /'_ --- Dept. of Biostatistics     2200 Cph. N   
 (*) \(*) -- University of Copenhagen   Denmark      Ph: (+45) 35327918
~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk)             FAX: (+45) 35327907
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