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Re: Expansions for array assignment not documented
From: |
Chet Ramey |
Subject: |
Re: Expansions for array assignment not documented |
Date: |
Fri, 17 Apr 2020 16:32:06 -0400 |
User-agent: |
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 |
On 4/17/20 5:48 AM, E. Choroba wrote:
> Bash Version: 4.4
> Patch Level: 23
> Release Status: release
>
> Description:
> Expansions in an assignment are documented under "SIMPLE COMMAND
> EXPANSION":
>
> > The text after the = in each variable assignment undergoes tilde
> > expansion, parameter expansion, command substitution, arithmetic
> > expansion, and quote removal before being assigned to the
> > variable.
>
> However, a compound assignment to an array is different: the
> values also undergo pathname and brace expansions:
It's true. The words in a compound assignment undergo all the shell
expansions.
> Fix:
> The additional expansions should be documented either in the
> paragraph quoted above, or in the "ARRAYS" section where compound
> assignment is described.
I'll add something.
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/