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Re: [Help-bash] unset all elements but not the whole array
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From: |
David |
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Subject: |
Re: [Help-bash] unset all elements but not the whole array |
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Date: |
Tue, 6 Aug 2019 13:49:20 +1000 |
On Tue, 6 Aug 2019 at 13:23, Peng Yu <address@hidden> wrote:
>
> I don't see an easy way to unset all elements but not the whole array.
> In the following example, I still want the variable x be accessible.
> Is it possible with one command? Thanks.
>
> $ declare -a x=(a b c)
> $ unset x
> $ declare -p x
> -bash: declare: x: not found
$ declare -a x=(a b c)
$ x=( )
$ declare -p x
declare -a x=()