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Re: Bug#517008: alias not expanded with zsh -c

X-seq: zsh-workers 26785
From: Clint Adams <schizo@xxxxxxxxxx>
To: Vincent Lefevre <vincent@xxxxxxxxxx>, 517008@xxxxxxxxxxxxxxx
Subject: Re: Bug#517008: alias not expanded with zsh -c
Date: Wed, 25 Mar 2009 14:54:18 +0000
Cc: zsh-workers@xxxxxxxxxx
In-reply-to: <20090225022850.GA4841@xxxxxxxxxxxxxxxxxxx>
Mail-followup-to: Vincent Lefevre <vincent@xxxxxxxxxx>, 517008@xxxxxxxxxxxxxxx, zsh-workers@xxxxxxxxxx
Mailing-list: contact zsh-workers-help@xxxxxxxxxx; run by ezmlm
References: <20090225022850.GA4841@xxxxxxxxxxxxxxxxxxx>

On Wed, Feb 25, 2009 at 03:28:50AM +0100, Vincent Lefevre wrote:
> Aliases are not expanded with the -c option, as shown below.
> 
> vin% cmd=$(printf "emulate sh\nalias a='echo OK >&2'\na")
> vin% printf "%s\n" "$cmd"
> emulate sh
> alias a='echo OK >&2'
> a
> vin% printf "%s" "$cmd" | zsh -f
> OK
> vin% zsh -fc "$cmd"
> zsh:3: command not found: a
> vin% 
> 
> There's no such problem with ksh93, bash in POSIX mode, and dash
> (pdksh has the same bug).

That does appear to be the behavior.

Follow-Ups:
- Re: Bug#517008: alias not expanded with zsh -c
  - From: Peter Stephenson

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