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Date: Thu, 27 Nov 2014 21:22:22 +0000
From: Stephane Chazelas <stephane.chazelas@gmail.com>
To: Zsh hackers list <zsh-workers@zsh.org>
Subject: aliases in zsh -c and eval
Message-ID: <20141127212221.GC5951@chaz.gmail.com>
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User-Agent: Mutt/1.5.21 (2010-09-15)

Hiya,

it looks like aliases defined in `zsh -c` are not expanded in
there:

$ zsh -c 'alias foo=echo
foo bar'
zsh:2: command not found: foo

Those defined for instance in ~/.zshenv are expanded. And:

$ zsh -c 'alias foo=echo
eval foo bar'
bar

It looks like zsh is the only one out here. (with bash you need
bash -O expand_aliases).

Same with eval:

$ (eval 'alias foo=echo
subsh quote> foo bar')
zsh: command not found: foo
$ (eval 'alias foo=echo
eval foo bar')
bar

This time, ksh93 does behave like zsh.

-- 
Stephane