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

From: David Kuehling
Subject: Re: [gforth] Using Gforth with #! "shebang"
Date: Wed, 21 Nov 2012 15:40:15 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.3 (gnu/linux)

>>>>> "Anton" == Anton Ertl <address@hidden> writes:

> Looks to me like it passes two arguments: "-m" and "256M -d 4M -r 4M
> -l 256k".  Given that, we could add another command-line option -#!
> that parses the next argument and treats it as a sequence of
> command-line arguments.  Then you could write the line as follows:

> #! /usr/local/bin/gforth-fast -#! -m 256M -d 4M -r 4M -l 256k

> However, I think that there are Unixes that ignore everything after
> the first argument, so this approach would not work there.

According to stack overflow

there's no way to do multi-argument shebang.  As Andrew pointed out,
multi-line shebangs that do an intermediate invocation of /bin/sh on the
same source file are the way to go.  There are even a few languages that
have support for multi-line shebang in that they have keywords that can
be used to escape a few lines of header to be only parsed by the shell
without interfering with shell invocation.  I like the way it's handled
in Common Lisp:

I guess we could easily add the same syntax to Gforth. 

I'd also be happy if Gforth allwed to resize the dictionary and stacks
at runtime :)


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