On Tue, Jun 09, 2020 at 09:43:56PM +0200, Tobias Pape wrote:
> 
> > On 09.06.2020, at 21:06, tim Rowledge <tim at rowledge.org> wrote:
> > 
> > 
> > 
> >> On 2020-06-09, at 11:52 AM, David T. Lewis <lewis at mail.msen.com> wrote:
> >> 
> >> Funny you should mention it, that's how I went down this rabbit hole
> >> in the first place. I was thinking that it would be an obviously good
> >> thing to do if we could evaluate a doIt or named script file immediately
> >> on image startup, as opposed to waiting until all of the Etoys script
> >> processing comes to life somewhere later in the startUp process.
> > 
> > Exactly. Note that VW has several commandline switches we might want to learn from
> > 
> > -filein {some file names}
> > -doit {some strings}
> > -evaluate {a single string & write result to stdout & quit
> > -cli {start a commandline loop}
> 
> Just for information, this is from RSqueak:
> 
>     Usage: ./rsqueak [-r|-m|-h] [-naPu] [-jpiS] [-tTslL] <path> [--] [Squeak arguments]
>             <path> - image path (default: Squeak.image)
>             Squeak arguments are passed on to the Squeak image rather than being processed.
> 
>           Execution:
>             -r|--run <code>  - Code will be compiled and executed in
>                                headless mode, result printed.
>             -m|--method <selector>
>                              - Selector will be sent to nil in
>                                headless mode, result printed.
>             -n|--num <int>   - Only with -m or -r. SmallInteger to be used as
>                                receiver (default: nil).
>             -a|--arg <arg>   - Only with -m. Will be used as String argument.
>             -P|--process     - Only with -m or -r. Disable headless mode.
>                                A high-priority Process for the new context will
>                                be created. The last active Process in the image
>                                will be started, but then quickly switch to the
>                                synthetic high-prio Process.
>             -u|--stop-ui     - Only with -m or -r. Try to stop UI-process at
>                                startup. Can help benchmarking.
>             --shell          - Stop after loading the image. Any code typed is
>                                compiled an run.
> 
> And some others.
> (Admittedly, most are a bit overly specific, but have served well, especially the shell is cool)
>

Thanks, also good ideas. I am guessing that this command line parsing
is done in the RSqueak VM prior to entering the image, is that right?

Dave