From mboxrd@z Thu Jan  1 00:00:00 1970
From: mascheck@in-ulm.de (Sven Mascheck)
Date: Sun, 16 Jan 2011 22:08:12 +0100
Subject: [TUHS] History of #! interpretation in Unix
In-Reply-To: <20110116201745.GE3374@mercury.ccil.org>
References: <20110116084330.GA27396@minnie.tuhs.org>
	<20110116095548.GC3374@mercury.ccil.org>
	<20110116132039.GA16484@lisa.in-ulm.de>
	<20110116171715.GD3374@mercury.ccil.org>
	<20110116191942.GA26424@lisa.in-ulm.de>
	<20110116201745.GE3374@mercury.ccil.org>
Message-ID: <20110116210812.GB26424@lisa.in-ulm.de>

John Cowan wrote:
> Sven Mascheck scripsit:

> > DMR might have known the csh-hack [...]
> 
> Having two different people invent the shebang independently

who (or what system) do you mean was the 2nd?


> > > > > Modern shells will use /bin/sh to run scripts that *don't* have shebangs,
[...]
> No, I meant that bash does what ksh does: uses itself, [...]

With /bin/sh you actually meant any shell calling "itself"?
Otherwise I'm afraid, I have some difficulties following you.


> IMHO the Posix sh definition should be extended so that all
> shells claiming Posix-compliance should do shebangs.

Shells themselves should implement it, not the kernel?

There was a working group resolution to standardize #!, which didn't
make it, http://www.opengroup.org/platform/resolutions/bwg2000-004.html
you could chime in