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trap does not work in a trap function?

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From: "Dominik Vogt" <dominik.vogt@xxxxxx>
To: zsh-users@xxxxxxx
Subject: trap does not work in a trap function?
Date: Thu, 09 Sep 2010 10:02:14 +0200
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The attached small script behaves in an unexpected way (at least to me):

  $ ./sigtest
  shutdown
  shutdown

Why is the shutdown function called again by exit when the EXIT trap was just removed?  This looks like the trap builtin does not properly work from within a trap handler.
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Follow-Ups:
- Re: trap does not work in a trap function?
  - From: Dominik Vogt

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