Jonathan Callahan wrote:
> Can someone please explain to me exactly what R is doing with the the
> standard IO handles and whether or not there is any simple way to convince
> it to behave as if it were talking to a user at the other end of a keyboard
> and terminal? I've already tried '--no-readline' but that doesn't solve my
> problem.
>
This little noddy example works for me:
#!/usr/bin/perl
use FileHandle;
use IPC::Open2;
$pid=open2(*Reader, *Writer, "R --no-save");
print Writer "x=runif(10);print(mean(x))\n";
while($got=<Reader>){
print "Got ".$got;
}
Of course, without the \n in the command string it doesnt work at all,
but I dont see any problems with R reading from stdin and writing to
stdout....
This is on a Linux box, I dont think you mentioned an OS or platform...
Baz
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