Re: Executable shell scripts

[Joel Jaeggli <joelja@uoregon.edu>]

Mark Rosenstand wrote:
> 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.

The faq you're refering to is 10-12 years old. 4.3BSD isn't relevant to
anyone beyond historians at this point.

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