I'm having a very odd problem with system(wait = FALSE). I'm not
entirely sure whether it's a bug in R or a problem on our end. It's
related to a post a month or so ago in R-help which got no responses,
but I have a little more to add.
This command works as expected (I use c:\tmp since c:\ isn't normally
writable under later versions of Windows). The file is created at
c:\tmp\tmp.txt.
system("cmd /c dir > c:\\tmp\\tmp.txt", wait = TRUE)
This command does not work as expected. There is no file created at
c:\tmp\tmp.txt.
system("cmd /c dir > c:\\tmp\\tmp.txt", wait = FALSE)
The computer is a 64-bit Windows Server 2008R2 machine. This affects
R 2.12.1, both the 32-bit and 64-bit RGui executables but not the
RTerm executables. This does not affect 32-bit Windows XP, 32-bit
Windows Server 2003, or 64-bit Windows Server 2008. This does not
affect R 2.12.0, and if I'm reading the svn logs correctly, there were
some changes made to the system function from 2.12.0 to 2.12.1.
Things seem to work normally when R is started from the start menu
recent programs list, but things do not work properly when R is
started from a shortcut, from the start menu all programs menu, or
through explorer.
I'm stumped. Any ideas I can try?
Oliver
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