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Re: test -v for array does not work as documented


From: Chet Ramey
Subject: Re: test -v for array does not work as documented
Date: Sun, 23 Feb 2020 13:05:57 -0500
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:68.0) Gecko/20100101 Thunderbird/68.4.1

On 2/23/20 11:36 AM, pepa65 wrote:
> On 23/02/2020 23.27, Chet Ramey wrote:
>> On 2/21/20 3:31 AM, pepa65 wrote:
>>> By the way, it seems that `local -p var` doesn't work like 'declare -p
>>> var` even though `help local` suggests it should.
>>
>> How so? Do you mean that declare -p var in a function will show different
>> variables?
> 
> See this output:
> 
> localvsdeclare(){
>   local var
>   var=42
>   unset var
>   echo -n '"declare -p var":'
>   declare -p var
>   echo -n '"local -p var":'
>   local -p var
> }
> 
> localvsdeclare
> "declare -p var": declare -- var
> "local -p var":

Yes, it's always been this way. This behavior dates to March, 1995,
literally to the time I added `-p'. The reason for not making `local -p'
work the same has been lost to time, so let's try making it the same
and see what happens.

-- 
``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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