[racket] Call racket from racket on MacOSX, no response

Is it possibly the unclosed quote?

Robby

On Tue, Jul 26, 2011 at 11:54 AM, Niitsuma Hirotaka
<hirotaka.niitsuma at gmail.com> wrote:
> The following code works on linux.
> But on MacOSX, no response
> ------
> #lang racket
> (require racket/system)
> (display (port->string (car (process     "racket -e '(+ 10 3)'"))))
> ------
>
>
> However this works on MacOSX
> ------
> #lang racket
> (require racket/system)
> (display (port->string (car (process "ls'"))))
> ------
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