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Date: Wed, 22 Jul 2015 15:55:19 +0200
From: Joshua Krusell <js.shirin@gmail.com>
To: zsh-users@zsh.org
Subject: Re: sound policy on global variables for "distributed" DWIM function
Message-ID: <20150722135519.GA11359@Qliphoth.local>
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References: <87fv4hm3ia.fsf@nl106-137-147.student.uu.se>
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Greetings from a fellow UU-er!

On 22/07/15 at 02:37, Emanuel Berg wrote:
> So, do I put that data a global variable (and what is
> the best way to do that?), or do I have a function
> return that value and thus have two invocations but
> only one data item, or do I do something else?

Define a variable in your script, export an environmental var if it's
being sourced (beware name collisions, use a prefix), or even pass it as
an argument; it's up to you.

/jsks