Re: [gforth] Using Gforth with #! "shebang"

[Anton Ertl]

On Thu, Nov 22, 2012 at 01:00:04PM +0100, Bernd Paysan wrote:
> > This should work without needing non-standard literals:
> > : ## ; 0 [IF]
> > 
> > ...
> > [THEN]
> 
> # is the Forth200x decimal number prefix, so it's standard.

David's trick is even Forth-94.  I don't remember what the meaning of
: for the shell is, though.  Ah, there it is:

|: [arguments]
|              No effect; the command does nothing beyond  expanding  arguments
|              and  performing any specified redirections.  A zero exit code is
|              returned.

> That's a good 
> thing, making this multi-line shebang (almost) fully standard Forth, so all a 
> Forth needs is the #! comment command.

Yes.  It's also implemented in vfxlin, but not in SwiftForth.

- anton