On Mon, May 02, 2005 at 09:31:06AM -0700, Linus Torvalds wrote:
> It's not about environment.
>
> It's about the fact that many people have things like python in
> /usr/local/bin/python, because they compiled it themselves or similar.
>
> Pretty much the only path you can _really_ depend on for #! stuff is
> /bin/sh.
>
> Any system that doesn't have /bin/sh is so fucked up that it's not worth
> worrying about. Anything else can be in /bin, /usr/bin or /usr/local/bin
> (and sometimes other strange places).
>
> That said, I think the /usr/bin/env trick is stupid too. It may be more
> portable for various Linux distributions, but if you want _true_
> portability, you use /bin/sh, and you do something like
>
> #!/bin/sh
> exec perl perlscript.pl "$@"
>
> instead.
Do you know any vaguely Unix-like system where #!/usr/bin/env does not
work? I don't; I've used it on Solaris, HP-UX, OSF/1...
--
Daniel Jacobowitz
CodeSourcery, LLC
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