[R] Using a console application from within R

[Gabor Grothendieck]

Don't know how you tell if its working but you need to write

   intern = TRUE

in order to get the output back.  For example, this works for me:

   system("findstr [a-m]", input = letters, intern = TRUE)

On 1/31/06, Jonathan Weeks <weeksjp at colorado.edu> wrote:
> I would like to open a console application from within R and then send input
> to the newly opened console. I can use the following to open the application
> ...
>
> setwd(path)
> system(paste(path,"icl.exe",sep=""))
>
> This allows me to type in what want, but I would like to do something like
> this
>
> setwd(path)
> system(paste(path,"icl.exe",sep=""),input=c("icl sim.tcl",
> "exit"),wait=TRUE)
>
> If I include input as part of the system function the application opens and
> then closes immediately without processing the input.
>
> Any assistance that you can offer would be greatly appreciated.
>
> Jonathan Weeks
> Doctoral Student
> School of Education
> University of Colorado, Boulder
> jonathan.weeks at colorado.edu
> 303-517-9666
>
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