Re: Executable shell scripts

From: Mark Rosenstand
Date: Sat May 13 2006 - 07:27:24 EST


Douglas McNaught <doug@xxxxxxxxxxxx> 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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