[R] send command to other program

[jgarcia at ija.csic.es]

Hi,
Consider also that you may easily modify system names from inside your R
script as:

system("mv oldname newname")

Best Regards,
Javier
...

> thoeb wrote:
>> Hello,
>> does anybody know about how to "send" a command or a text line from R to
>> another program? I have written a script in which several calculations
>> are
>> made and outputfiles (csv) are generated. Afterwards I open another
>> program
>> (Fortran) via shell.exec. This program asks for the names if the output
>> files and it would be quite practically if it could just adopt the file
>> names from the r script.
>>
> Hi Tamara,
> If the succeeding program can read the name of the input file via the
> command line arguments, like:
>
> myfortranprogram -i myfile.csv
>
> you can include the arguments in the shell call. Alternatively, you
> could have R write a shell script that would execute the program with
> the appropriate arguments, then call the shell script from R. Of course
> if your program has to have keyboard input for the filename, you would
> have to resort to magic like writing the filename into the keystroke
> buffer.
>
> Jim
>
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