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
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