Argh. I see it as well. Will dig a lit tomorrow.
Uwe
On 07.01.2010 12:25, Gabor Grothendieck wrote:
I get a problem with shell too:
Under Rgui:
R.version.string
[1] "R version 2.10.1 Patched (2010-01-01 r50884)"
system("C:\\windows\\system32\\find /?", intern = TRUE)
character(0)
system("cmd /c C:\\windows\\system32\\find /?", intern = TRUE)
character(0)
shell("C:\\windows\\system32\\find /?")
Warning message:
In shell("C:\\windows\\system32\\find /?") :
'C:\windows\system32\find /?' execution failed with error code 1
They all work, i.e. they give the required help message, under Rterm
and when I issue this from the Windows console it works:
C:\windows\system32\find /?
2010/1/7 Uwe Ligges<lig...@statistik.tu-dortmund.de>:
On 07.01.2010 02:04, Gabor Grothendieck wrote:
If you have C:\Rtools\bin on your PATH note that it contains a
UNIX-like find utility that conflicts with the find utility in
Windows. If that is the problem then remove that from your PATH and
then run the batch file.
The batchfiles distribution at http://batchfiles.googlecode.com has
utilities (Rgui.bat, R.bat, Rtools.bat, etc.) that will automatically
add C:\Rtools\bin to your path temporarily or only while R is running
so that you can leave it off your PATH.
I guess it's the use of system() rather than shell() that causes the
problem. Under Windows, you have to use shell in order to start a command
interpreter.
Uwe Ligges
On Wed, Jan 6, 2010 at 6:51 PM, John Schexnayder<jsc...@us.ibm.com>
wrote:
This is sort of a strange bug. Not show stopping, but annoying. I was
wondering if anyone else has noticed this and reported it before I submit
a bug report.
I noticed while running the RGui and attempting to debug one of my
scripts
that I encountered a Windows error informing me that "Find String [grep]
Utility has encountered a problem and needs to close." It is being
generated by a call to a DOS batch file which contains a call to
Find.exe.
It can be reproduced by simply typing "System("find")" in RGui. What I
found strange is that I have been running this script daily without this
problem for months. I now realize I never ran that portion of the script
while in RGui.exe. It has always run in batch mode which is done by
Rterm.exe.
I have tried this on three separate machines now all running Windows XP
SP3, with versions of R 2.8.1 and R 2.10.1 If executing "System("find")
under RGui, an error window for the Find String Utility is generated and
the command is not exectuted. If the same command is issued in Rterm the
expected "FIND: Parameter format not correct" message is properly
returned.
It doesn't seem an important bug, but it could be the canary in the mine
for a larger problem somewhere down the road.
Re,
John Schexnayder
IBM Tape Manufacturing - Information Technology
San Jose, CA 95138
jsc...@us.ibm.com
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