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From: Eric Cook <llua@gmx.com>
To: zsh-users@zsh.org
Subject: Re: Should zipping two empty arrays result in empty string?
Date: Sun, 1 Jan 2017 03:50:30 -0500	[thread overview]
Message-ID: <d14996cc-99b1-a9c6-a090-1e8d4fc836ff@gmx.com> (raw)
In-Reply-To: <f360e541-0993-db23-902b-174b08b2cad4@gmail.com>

On 01/01/2017 12:18 AM, Kannan Varadhan wrote:
> Isn't this identical to
> 
> % for i in "" ; do typeset -p i ; done
> 
> which yields exactly one iteration, as I would expect?
> 

That is indeed how it currently is, which is weird in my opinion.
Because when you expand an empty array in any other instance,
you don't get an argument/word; because there is none.

I would expect it behave like:

% for i in "${empty[@]}"; do typeset -p i; done

Which won't iterate.


  reply	other threads:[~2017-01-01  9:03 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-01-01  3:49 Eric Cook
2017-01-01  5:18 ` Kannan Varadhan
2017-01-01  8:50   ` Eric Cook [this message]
2017-01-01  9:17     ` Eric Cook
2017-01-01 20:24 ` Bart Schaefer
2017-01-01 20:27   ` [PATCH] zipping two empty arrays should not result in empty string Bart Schaefer

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