On 11-11-28 5:20 PM, Dan Tenenbaum wrote:> At a Windows command prompt:
> C:\>which ls
> /cygdrive/c/Rtools215/bin/ls
>
> C:\>which perl
> /cygdrive/c/perl/bin/perl
>
> In R:
>> Sys.which(c("ls", "perl"))
> ls perl
> "c:\\RTOOLS~3\\bin\\ls.exe" ""
>
> Is this expected behavior?
R doesn't necessarily have the same search path as your command prompt.
(Look at PATH in your command line, and Sys.getenv("PATH") in R, to
compare.) When I try Sys.which() that with two things known to be on the
path that R uses, it finds both.
Duncan Murdoch
>
>> sessionInfo()
> R Under development (unstable) (2011-10-28 r57459)
> Platform: i386-pc-mingw32/i386 (32-bit)
>
> locale:
> [1] LC_COLLATE=English_United States.1252
> [2] LC_CTYPE=English_United States.1252
> [3] LC_MONETARY=English_United States.1252
> [4] LC_NUMERIC=C
> [5] LC_TIME=English_United States.1252
>
> attached base packages:
> [1] stats graphics grDevices utils datasets methods base
>
> loaded via a namespace (and not attached):
> [1] tools_2.15.0
>
>
> Thanks,
> Dan
>
> ______________________________________________
> R-devel at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-devel