[ale] Exiting multi-block shell scripts

[Kenneth W Cochran]

>Date: Wed, 28 Jun 2000 09:02:07 -0400 (EDT)
>From: Danny Cox <danny at compgen.com>
>Subject: Re:  [ale] Exiting multi-block shell scripts
>
>On Wed, 28 Jun 2000, Kenneth W Cochran wrote:
>> Indeed...  But "trap 'exit 0' 0" wouldn't stop it...
>> I guess I'm still trying to grok some of the picky syntax-stuff...  :)
>
>	Yeah, some of the older shells would loop on this.  They'd hit
>the exit, then run the trap command, which was an exit, so they'd run
>the trap command, ...

Interesting.  "You'd think" this sort of behavior would be
"standardized" somehow...  (??)  Probably is, nowadays...

>	Try: trap 'trap "" 0; exit 0' 0, which will disable the sig 0
>trap when it runs.  It should exit then.

I just used "trap 'exit 0' 0 1 2 3 15" & that works ok.
Good Book reference?  :)
Only one I've seen is _Unix_Shell_Programming_ by Kochan & Wood.
Something like this (shell programming) might make a nice
meeting topic sometime.  (Even if Done Before...  :)

>Danny

Thanks!

-kc
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