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From: Daniel Shahaf <d.s@daniel.shahaf.name>
To: zsh-workers@zsh.org
Subject: Re: [PATCH] vared: Escape empty elements of arrays
Date: Thu, 21 May 2020 16:32:34 +0000
Message-ID: <20200521163234.328a1be2@tarpaulin.shahaf.local2> (raw)
In-Reply-To: <52503-1590058644.696341@0c4k.-v5l.VV1->

Oliver Kiddle wrote on Thu, 21 May 2020 12:57 +0200:
> 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.

Thanks!  I'll see if I can add this to the manual as a tip.  And maybe
emit a warning if an array is edited that has empty elements.

      reply index

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-19 23:54 Daniel Shahaf
2020-05-21  7:05 ` Daniel Shahaf
2020-05-21 10:57   ` Oliver Kiddle
2020-05-21 16:32     ` Daniel Shahaf [this message]

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