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Re: What's the last command in prompt expansion?

X-seq: zsh-workers 27521
From: Peter Stephenson <pws@xxxxxxx>
To: zsh-workers@xxxxxxx
Subject: Re: What's the last command in prompt expansion?
Date: Tue, 15 Dec 2009 10:23:09 +0000
In-reply-to: <200912151002.nBFA2Ve3029420@xxxxxxxxxxxxxx>
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On Tue, 15 Dec 2009 10:02:31 +0000
Peter Stephenson <pws@xxxxxxx> wrote:
> Traps don't save and restore the status.  This is deliberate, they are
> supposed to be able to return a status to the surrounding environment.

Actually, I've overstated the case here.  If a trap function doesn't
execute a "return" explicitly, the status should be maintained unless there
was an error.  So in general your TRAPALRM ought not to change it.

-- 
Peter Stephenson <pws@xxxxxxx>            Software Engineer
Tel: +44 (0)1223 692070                   Cambridge Silicon Radio Limited
Churchill House, Cambridge Business Park, Cowley Road, Cambridge, CB4 0WZ, UK

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Follow-Ups:
- Re: What's the last command in prompt expansion?
  - From: JÃrg Sommer

References:
- What's the last command in prompt expansion?
  - From: JÃrg Sommer
- Re: What's the last command in prompt expansion?
  - From: Peter Stephenson

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