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Re: Associative array, brace-free subscripting: key with spaces

X-seq: zsh-users 20857
From: Peter Stephenson <p.stephenson@xxxxxxxxxxx>
To: "<zsh-users@xxxxxxx>" <zsh-users@xxxxxxx>
Subject: Re: Associative array, brace-free subscripting: key with spaces
Date: Thu, 29 Oct 2015 17:28:10 +0000
In-reply-to: <CAKjp4B7B_S8T=ugeDRfe2sASJoVSY7UAwWFkBUFO9QszqjofPA@mail.gmail.com>
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On Thu, 29 Oct 2015 13:17:17 -0400
Clint Hepner <clint.hepner@xxxxxxxxx> wrote:
> Consider the array
> 
>     typeset -A b
>     b=("a b c" d)
> 
> The following correctly expands to "d"
> 
>     ${b[a b c]}
> 
> but this results in a "bad subscript" error:
> 
>     $b[a b c]

Without the surrounding brace, the spaces separate words, so it looks at
"$b[a" and doesn't like it.

pws

References:
- Associative array, brace-free subscripting: key with spaces
  - From: Clint Hepner

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