Re: #! incompatible -- binfmt_script.c broken?

From: Horst von Brand (vonbrand@inf.utfsm.cl)
Date: Wed Dec 04 2002 - 19:10:00 EST

Matthias Andree <matthias.andree@gmx.de> said:
> I tried some of the Perl magic tricks shown in the perlrun man page with
> Linux 2.4.19; consider this Perl one-liner. It works on FreeBSD and
> Solaris, but fails on Linux. Looking at binfmt_script.c, I believe the
> "pass the rest of the line as the first argument to the interpreter" is
> the problem with Linux. Haven't yet figured if the other boxes just use
> the interpreter, ignoring the arguments or if they are doing argument
> splitting.
>
> ------------------------------------------------------------------------
> #!/bin/sh -- # -*- perl -*- -T
> eval 'exec perl -wTS $0 ${1+"$@"}'
> if 0;
> print "Hello there.\n";
> ------------------------------------------------------------------------
>

[...]

> SuSE Linux 7.0, 7.3, 8.1 (2.4.19 kernel, binfmt_script.c identical to
> 2.4.20 BK):
> $ /tmp/try.pl
> /bin/sh: -- # -*- perl -*- -T: invalid option
> Usage: /bin/sh [GNU long option] [option] ...
> /bin/sh [GNU long option] [option] script-file ...
> [...]

RH 8.0 with linux-2.5.50 (some early bk version, last CSET is 1.849) gives
the same. 

--
Dr. Horst H. von Brand                   User #22616 counter.li.org
Departamento de Informatica                     Fono: +56 32 654431
Universidad Tecnica Federico Santa Maria              +56 32 654239
Casilla 110-V, Valparaiso, Chile                Fax:  +56 32 797513
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