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From: Greg Klanderman <gak@klanderman.net>
To: zsh-workers@zsh.org
Subject: Re: ZSH_SCRIPT
Reply-To: Greg Klanderman <gak@klanderman.net>
Date: Wed, 02 Mar 2016 16:24:13 -0500
In-Reply-To: <56D74063.6020202@inlv.org> (Martijn Dekker's message of "Wed, 02 Mar 2016 20:34:59 +0100")
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>>>>> On March 2, 2016 Martijn Dekker <martijn@inlv.org> wrote:

> Is there a particular reason why it should be empty rather than unset?
> Unset seems more logical; if we're not running a script, the script name
> is not the empty string but it doesn't exist. This would also make it
> possible to do
> 	[[ -v ZSH_SCRIPT ]]
> to check if you're in a script.

Hi Martijn, I'm happy to do it either way, but went with what had
been discussed about 5 years ago when both Bart and Peter seemed to
prefer empty to unset:

http://www.zsh.org/mla/workers/2011/msg00183.html

Bart> I think empty is OK, but let's hear from PWS.

PWS> I think empty is much more Zen-like, so fits perfectly.

Bart and Peter, can you let me know if that still holds?

Greg