[R] Calling FING.EXE under RGui.EXE for windows.

[Uwe Ligges]

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<ligges at 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<jschex at 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
>>>> JSchex at us.ibm.com
>>>>
>>>>         [[alternative HTML version deleted]]
>>>>
>>>> ______________________________________________
>>>> R-help at r-project.org mailing list
>>>> https://stat.ethz.ch/mailman/listinfo/r-help
>>>> PLEASE do read the posting guide
>>>> http://www.R-project.org/posting-guide.html
>>>> and provide commented, minimal, self-contained, reproducible code.
>>>>
>>>
>>> ______________________________________________
>>> R-help at r-project.org mailing list
>>> https://stat.ethz.ch/mailman/listinfo/r-help
>>> PLEASE do read the posting guide
>>> http://www.R-project.org/posting-guide.html
>>> and provide commented, minimal, self-contained, reproducible code.
>>