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Path: utzoo!mnetor!seismo!uwvax!mcvoy
From: mcvoy@rsch.WISC.EDU (Lawrence W. McVoy)
Newsgroups: comp.unix.questions
Subject: Re: csh scripts on sys V question
Message-ID: <2964@rsch.WISC.EDU>
Date: Wed, 19-Nov-86 12:34:14 EST
Article-I.D.: rsch.2964
Posted: Wed Nov 19 12:34:14 1986
Date-Received: Wed, 19-Nov-86 21:42:34 EST
References: <787@chinet.UUCP>
Reply-To: mcvoy@rsch.WISC.EDU (Lawrence W. McVoy)
Distribution: net
Organization: U of Wisconsin CS Dept
Lines: 20
Keywords: Hack sh(1)
Summary: Sure, it's easy

In article <787@chinet.UUCP> megabyte@chinet.UUCP (Dr. Megabyte) writes:
>_IF_ I type "csh script".  Now, is there anyway for me to set up my 3b2 so that
>I can just type "script" and have the proper shell chosen, either Bourne or
>'C'? 

As I understand it the sh is started up to handle shell scripts, right?
In Bezerkeley Unix I think the kernel figures out what program to exec.
I don't see why the sh couldn't do this.  For instance, change the sh to
look at the first line and exec it if the line is of the form

'#' '!' <program name>

and program name != '/bin/sh' or 'sh'

Anybody have any problems with this?
-- 
Larry McVoy 	        mcvoy@rsch.wisc.edu, 
      		        {seismo, topaz, harvard, ihnp4, etc}!uwvax!mcvoy

"They're coming soon!  Quad-stated guru-gates!"