Re: question .. did u implent when checkwinsize no need to exteral bin to update

[alex xmb ratchev]

On Sun, 23 Apr 2023, 10:06 pm Grisha Levit, <grishalevit@gmail.com> wrote:

>
>
> On Sun, Apr 23, 2023, 16:01 Kerin Millar <kfm@plushkava.net> wrote:
>
>> On Sun, 23 Apr 2023 15:01:25 -0400
>> Grisha Levit <grishalevit@gmail.com> wrote:
>>
>> > On Sun, Apr 23, 2023, 11:56 alex xmb ratchev <fxmbsw7@gmail.com> wrote:
>> >
>> > > hmm , thank you
>> > > i go the /bin/true way then
>> > >
>> >
>> > You can also use (:) to save an exec.
>>
>> This is not case because : is a builtin. For COLUMNS and LINES to be set,
>> either the command must be external or the shell must be interactive and
>> must have received SIGWINCH.
>>
>> $ bash -c 'declare -p COLUMNS LINES; :; declare -p COLUMNS LINES'
>>
>
> Indeed, `:' by itself is not enough, but please note that my suggestion
> was `(:)', not `:'.
>
> $ bash -c '(:); declare -p LINES'
> declare -- LINES="50"
>

thanks ..

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