[R] unix environment variables under R
pwolf at wiwi.uni-bielefeld.de
Tue Oct 29 15:17:05 CET 2002
Jan Malte Wiener wrote:
>i am working on a little R-project with a couple od other guys.we use
>CVS, but everyone keeps the R-source files in different locations in
>home-directory. of course this causes trouble when sourcing R-files. i
>thought a UNIX environment variable could be the solution, but R
>seem to know about the environment variables.
>e.g. >> source("$PROJECT/xxx.R") results in
> >> Error in file(file, "r") : unable to open connection
>is there something like environment variables for R?
> paste(system("echo $HOME",T),"sourcefile.r",sep="/")
> source(paste(system("echo $HOME",T),"sourcefile.r",sep="/"))
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