Thank you. This looks perfect.

On Wed, Jan 5, 2022 at 8:39 PM David T. Lewis <lewis at mail.msen.com> wrote:

> On Wed, Jan 05, 2022 at 03:01:55PM -0500, David O'Toole wrote:
> > I think I answered my own question and will look into OSProcess /
> > CommandShell.
> > I've built an Emacs frontend for the system already, Squeak should be
> > interesting :)
> >
> > On Wed, Jan 5, 2022 at 2:59 PM David O'Toole <deeteeoh1138 at gmail.com>
> wrote:
> >
> > > Is it possible to communicate with a Lisp interpreter via standard I/O
> > > running as a subprocess? I am considering building a Squeak graphical
> > > frontend for a musical project that is written in S7 Scheme.
> > >
>
> You may be able to take some inspiration from PipeableOSProcess
> class>>tkExample
>
> If you inspect "PipeableOSProcess tkExample" you will get a proxy object
> in Squeak that is connected through stdio pipes to a tk shell
> (/usr/bin/wish).
> A small tk window will have opened elsewhere on your computer screen,
> and you can click on the buttons to see it work. After you click the
> exit button in the tk window, you will see the proxy in Squeak updated
> with the exited process status.
>
> I expect that you will be able to do the same sort of thing with a Lisp
> interpreter shell.
>
> Note, I am using a Linux system. This will probably also work on OS X,
> but it will not work on Windows.
>
> Dave
>
>
>
>
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