[r6rs-discuss] [Formal] "#! /usr/bin/env" is not "portable." It's Unix-specific. (fwd)

Per Bothner per at bothner.com
Thu Nov 16 11:38:10 EST 2006


AndrevanTonder wrote:
> I would still object if I have to include it in all those applications 
> that I don't intend to run as Unix scripts (i.e., all my applications).
> If, on the other hand, I don't have to include it to produce a 
> well-formed program, then it has no business being in r6rs, so in that 
> case I would also object to it.

I think it is useful that it be possible to write a conforming R6RS
program that is at the same time a valid Unix/Posix script.  That
requires some minimal standardization in R6RS.  Non-Unix implementations
need to not get confused by a Unix script header.

It is also useful to have a standard header so a Scheme file can be
identified by content, rather than just file extension, which is
unreliable.  But that requires a standard header for libraries as well,
though it need not and probably should not be the same header.
-- 
	--Per Bothner
per at bothner.com   http://per.bothner.com/



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