[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: Unset builtin not respecting single quotes / doing its own dereferen
|
From: |
Chet Ramey |
|
Subject: |
Re: Unset builtin not respecting single quotes / doing its own dereferencing |
|
Date: |
Wed, 2 Jan 2019 09:27:11 -0500 |
|
User-agent: |
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:60.0) Gecko/20100101 Thunderbird/60.3.3 |
On 1/2/19 5:55 AM, bitbucket@mailbox.org wrote:
> Bash Version: 4.4
> Patch Level: 19
> Release Status: release
> Description:
> When unsetting elements of an associative array, unset does not respect
> the quoting rules, and does its own dereferencing. The behaviour
> appears to be incorrect, or at least undocumented.
Yes. Associative array subscript expansion is consistent whether or not the
word has undergone shell expansion. This has been discussed many times in
the past.
There is a shell option in bash-5.0, `assoc_expand_once', that implements
the behavior you want.
Chet
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU chet@case.edu http://tiswww.cwru.edu/~chet/