[R] R system command on windows

Uwe Ligges ligges at statistik.tu-dortmund.de
Thu Feb 5 21:21:02 CET 2009

Aurelie Labbe, Dr. wrote:
> Hi,
> I am trying to use the R command "system"  under windows (XP). If I try the simple command system("mkdir toto") to create a directory toto, it tells me that it cannot find the command mkdir...
> Does anybody knows how  it works ? Is it a path problem ? Maybe the answer is simple: I am a R user under Unix/Linux and I don't know well R under windows.

See ?system which tells you to execute the Windows command shell 
(cmd.exe) which is required to run mkdir or easier, just use the wrapper 
function shell() as in:
shell("mkdir toto")

Uwe Ligges

> Thanks !
> Aurelie
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