Not really gambit specific but it works like this:

#!/usr/local/Gambit-C/bin/scheme-r5rs -:s

On Mon, Oct 27, 2014 at 1:49 PM, Roy Pfund <roypfund@gmail.com> wrote:
The shebang "#!/usr/bin/env scheme-r5rs -:s" doesn't even call Gambit, an gives the following error:

/usr/bin/env: scheme-r5rs -:s: No such file or directory


On Sun, Oct 26, 2014 at 9:31 PM, James Baker <cycle.code.media@gmail.com> wrote:
I dont use them but I think for memory scheme-r5rs and the like only set case sensitivity and keyword preferences, it wont make syntax-rules / syntax-case available to you for that you would still need tell it to load eg.

scheme-r5rs -:s



On Mon, Oct 27, 2014 at 1:20 PM, Roy Pfund <roypfund@gmail.com> wrote:
I'm using scheme-r5rs not the regular gsi and your solution doesn't work;

So does anyone know how I can set "standard Scheme mode" just like the command line option "-:s" from within a executable scheme file??

On Sun, Oct 26, 2014 at 4:58 PM, James Baker <cycle.code.media@gmail.com> wrote:
I know its not exactly what you asked for, but I found this gambit
specific trick recently.

(##include "~~/lib/_gambit#.scm")
(define-runtime-syntax λ (##make-alias-syntax '##lambda))

Which you can use as normal:

> (define square (λ (x) (* x x)))
> square
#<procedure #2 square>
> (square 42)
1764
>

James

On Mon, Oct 27, 2014 at 5:20 AM, Roy Pfund <roypfund@gmail.com> wrote:
> From http://stackoverflow.com/a/26570837/144020 I tried the following:
>
> (define-syntax λ (syntax-rules () ((_ param body ...) (lambda param body
> ...))))
>
> It works! but ONLY IF you call the script from the gsi not with
>
> #!/usr/bin/env scheme-r5rs
>
> Does anyone know I can set the command line OPTION s|S "set standard Scheme
> mode" from within a scheme file??
>
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