[R] how to run system command

[Keith Jewell]

Yes, not cygwin\bin but Rtools\bin (which is in my path:)
> Sys.which("date")
                          date
"Z:\\R\\Rtools\\bin\\date.exe"

The OP's error message (Error in system("date", intern = TRUE) : 'date' not 
found) suggests he has no 'date' in his path.
I see ?system says "DOS internal commands, ... cannot be used: see shell", 
so you and others are correct in recommending 'shell' rather than 'system'.

Sorry for the noise :-(
At least I've learned something :-)

Best regards,

KJ

"William Dunlap" <wdunlap at tibco.com> wrote in message 
news:E66794E69CFDE04D9A70842786030B93283C5A at PA-MBX04.na.tibco.com...
> You wrote:
>  > Works for me:
>  >> e <- system("date", intern=TRUE)
>  >> e
>  >[1] "Wed Mar  7 08:58:32 GMTST 2012"
> I suspect you have cygwin\bin in your PATH variable,
> as that does not look like Windows date command:
>  > system("cmd.exe /c date /T")
>  Wed 03/07/2012
>  > shell("date /T")
>  Wed 03/07/2012
>  > shell("date") # asks for new date if no /T
>  The current date is: Wed 03/07/2012
>  Enter the new date: (mm-dd-yy) Warning messages:
>  1: running command 'C:\Windows\system32\cmd.exe /c date' had status 1
>  2: In shell("date") : 'date' execution failed with error code 1
>
> sessionInfo() does not report PATH's contents.  You can
> look at it with
>   strsplit(Sys.getenv("PATH"), .Platform$path.sep)[[1]]
>
> Bill Dunlap
>
>> -----Original Message-----
>> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org] 
>> On
>> Behalf Of Keith Jewell
>> Sent: Wednesday, March 07, 2012 1:02 AM
>> To: r-help at stat.math.ethz.ch
>> Subject: Re: [R] how to run system command
>>
>> Works for me:
>> --------------------------
>> > sessionInfo()
>> R version 2.14.1 (2011-12-22)
>> Platform: i386-pc-mingw32/i386 (32-bit)
>>
>> locale:
>> [1] LC_COLLATE=English_United Kingdom.1252  LC_CTYPE=English_United
>> Kingdom.1252    LC_MONETARY=English_United Kingdom.1252
>> [4] LC_NUMERIC=C                            LC_TIME=English_United
>> Kingdom.1252
>>
>> attached base packages:
>>  [1] grDevices datasets  splines   graphics  stats     tcltk     utils
>> tools     methods   base
>>
>> other attached packages:
>> [1] CBRIutils_1.0    stringr_0.5      svSocket_0.9-51  TinnR_1.0.3
>> R2HTML_2.2       Hmisc_3.8-3      survival_2.36-10
>>
>> loaded via a namespace (and not attached):
>> [1] cluster_1.14.1 grid_2.14.1    lattice_0.20-0 plyr_1.7.1
>> svMisc_0.9-63
>> > e <- system("date", intern=TRUE)
>> > e
>> [1] "Wed Mar  7 08:58:32 GMTST 2012"
>> ----------------
>>
>> What's your sessionInfo()?
>>
>> KJ
>>
>>
>> "sagarnikam123" <sagarnikam123 at gmail.com> wrote in message
>> news:1331041713089-4449906.post at n4.nabble.com...
>> >i used it on windows system, but giving error like
>> >
>> >> e <- system("date", intern=TRUE)
>> > Error in system("date", intern = TRUE) : 'date' not found
>> >
>> > --
>> > View this message in context:
>> > http://r.789695.n4.nabble.com/how-to-run-system-command-
>> tp4449597p4449
>> > 906.html Sent from the R help mailing list archive at Nabble.com.