Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!usc!zaphod.mps.ohio-state.edu!rpi!uupsi!ficc!peter
From: peter@ficc.ferranti.com (Peter da Silva)
Newsgroups: comp.unix.shell
Subject: Re: Getting HUPed
Message-ID: <QVFA3JF@xds13.ferranti.com>
Date: 2 Apr 91 18:15:33 GMT
References: <53767@mirror.tmc.com> <d2wB01ev46cG00@amdahl.uts.amdahl.com> <53902@mirror.tmc.com> <c8C901q64a9q00@amdahl.uts.amdahl.com>
Reply-To: peter@ficc.ferranti.com (Peter da Silva)
Distribution: na
Organization: Xenix Support, FICC
Lines: 16

In article <c8C901q64a9q00@amdahl.uts.amdahl.com> krs@amdahl.uts.amdahl.com (Kris Stephens [Hail Eris!]) writes:
> 	trap 'echo "signalled"' 0
> 	trap 'echo "signalled"; exit' 1 2 3 14 15

No, you should do:

	trap 'echo "signalled"; exit' 0
	trap exit 1 2 3 14 15

Because (at least on some versions of the shell) the exit in the trap N
triggers the trap 0, and you will get two "signalled" messages.
-- 
Peter da Silva.  `-_-'  peter@ferranti.com
+1 713 274 5180.  'U`  "Have you hugged your wolf today?"

Ewige Blumenkraft.