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Re: address@hidden doesn't work should no value be set

From: Chet Ramey
Subject: Re: address@hidden doesn't work should no value be set
Date: Sun, 15 Jul 2018 18:19:27 -0400
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:52.0) Gecko/20100101 Thunderbird/52.9.1

On 7/14/18 3:10 PM, Michal Pesa wrote:

> Bash Version: 4.4
> Patch Level: 19
> Release Status: release
> Description:
> Hello, I would like to report a bug or rather a feature I think should be
> implemented. The new parameter expansions address@hidden and address@hidden
> don't work if only attributes are set but value is not. 

The ${parameter[op[word]]} expansion generally (except where explicitly
noted) expand to nothing when `parameter' is unset. I can see making an
exception for address@hidden, though, since it displays only the
attributes. I'll take a look at that.

``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU    address@hidden    http://tiswww.cwru.edu/~chet/

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