[R] Shell command help

[Uwe Ligges]

On 02.05.2010 21:55, galen kaufman wrote:
>
> Dear R Community,
>
> I am trying to run a command line in R that will open an external program, have it import a specific input file, run the program, then close the program. The command line that I got from the developer of the model to do this looks like what you see below:
>
> c:\programx.exe -import 'inputx.inp' -run -quit
>
> I have been trying to use shell() or shell.exec() to run this in R.  I can get R to open the program but I have not been able to do the rest of the steps.
>
> I have been able to open the model using :
>
>> shell('"C:\\programx.exe"')
>
> or
>
>> shell.exec("C:\\programx.exe")
>
> To do the rest I have been trying variations of the following:
>
>> shell('"C:\\programx.exe"' -import '"C:\\inputx.inp"' -run –quit)



Hm, you need to pass one string to the shell (and the underlking 
system()) call:

shell('"C:\\programx.exe" -import "C:\\inputx.inp" -run –quit')

Best,
Uwe Ligges



> but I am not getting anywhere.
>
> Can you provide any insight as to how to do the rest?
>
> Thank you,
>
> Galen 		 	   		
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