From: Mark Rosenstand <mark@borkware.net>
To: Douglas McNaught <doug@mcnaught.org>
Cc: arjan@infradead.org, linux-kernel@vger.kernel.org
Subject: Re: Executable shell scripts
In-Reply-To: <87r72yi346.fsf@suzuka.mcnaught.org>
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	<20060513110324.10A38146AF@hunin.borkware.net>
	<1147518432.3217.2.camel@laptopd505.fenrus.org>
	<87r72yi346.fsf@suzuka.mcnaught.org>
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Date: Sat, 13 May 2006 13:27:54 +0200 (CEST)
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Douglas McNaught <doug@mcnaught.org> wrote:
> It needs to be readable as well.  What ends up happening is that the
> kernel sees the execute bit, looks at the shebang line and then does:
> 
> /bin/sh test
> 
> Since read permission is off, the shell's open() call fails.  It will
> work fine if you use 755 as the permissions.
> 
> Every Unix I've ever seen works this way.  It'd be nice to have
> unreadable executable scripts, but no one's ever done it.

According to
http://www.faqs.org/faqs/unix-faq/faq/part4/section-7.html both 4.3BSD
and SunOS have. I can confirm that it works on current BSD's as
well.
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