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In-reply-to: <20200521070539.46a6e9de@tarpaulin.shahaf.local2>
From: Oliver Kiddle <okiddle@yahoo.co.uk>
References: <20200519235425.13713-1-danielsh@tarpaulin.shahaf.local2> <20200521070539.46a6e9de@tarpaulin.shahaf.local2>
To: Daniel Shahaf <d.s@daniel.shahaf.name>
cc: zsh-workers@zsh.org
Subject: Re: [PATCH] vared: Escape empty elements of arrays
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Date: Thu, 21 May 2020 12:57:24 +0200
Message-ID: <52503-1590058644.696341@0c4k.-v5l.VV1->
X-Mailer: WebService/1.1.15960 hermes_yahoo Apache-HttpAsyncClient/4.1.4 (Java/11.0.6)

Daniel Shahaf wrote:
> — it seems to be impossible for the result of a vared operation to
> include empty elements.  In particular, editing an array with empty
> elements in master silently drops them.  With the patch, the elements
> would become «''» (two bytes).

For editing arrays, I typically use the following:

  alias lvared="IFS=\$'\n\n' vared"

That preserves empty elements from blank lines.

Oliver