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Re: PATCH: POSIX_TRAPS option

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From: Bart Schaefer <schaefer@xxxxxxxxxxxxxxxx>
To: zsh-workers@xxxxxxx (Zsh hackers list)
Subject: Re: PATCH: POSIX_TRAPS option
Date: Sat, 11 Sep 2010 20:49:15 -0700
In-reply-to: <7900.1284147069@pws-pc>
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On Sep 10,  8:31pm, Peter Stephenson wrote:
}
} It's high time we were able to treat EXIT traps the same way as other
} shells.

Hrm.  A couple of thoughts ...

(1) POSIX doesn't have anything to do with TRAPEXIT (or with any of
the other special TRAP functions).  Perhaps the POSIX_TRAPS option
should apply only to the "trap" builtin?  I don't feel very strongly
about it either way, but for example TRAPEXIT persists into subshells
whereas "trap" does not.

(2) The documentation should explain (somewhere) in what order the
EXIT trap and the zshexit hook function are executed.  Emprically,
zshexit is always last.

References:
- PATCH: POSIX_TRAPS option
  - From: Peter Stephenson

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