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Running "unset path" breaks PATH despite emulation being enabled

X-seq: zsh-workers 41651
From: Eric Pruitt <eric.pruitt@xxxxxxxxx>
To: zsh-workers@xxxxxxx
Subject: Running "unset path" breaks PATH despite emulation being enabled
Date: Fri, 8 Sep 2017 01:29:17 -0700
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According and <http://www.zsh.org/mla/users/2015/msg00180.html> and the
manual, Z shell should become roughly POSIX compatible when using
"emulate sh". When using emulation, running 'path=""' does not break
PATH command execution, but running 'unset path' still does which seems
like a bug to me:

    $ zsh -c 'emulate -L sh; path=""; ls /dev/null'
    /dev/null
    $ zsh -c 'emulate -L sh; unset path; ls /dev/null'
    zsh:1: command not found: ls

Eric

Follow-Ups:
- Re: Running "unset path" breaks PATH despite emulation being enabled
  - From: Mikael Magnusson

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