[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: Checking if variable is not zero with (())
|
From: |
Alex fxmbsw7 Ratchev |
|
Subject: |
Re: Checking if variable is not zero with (()) |
|
Date: |
Wed, 1 Dec 2021 12:58:52 +0100 |
!= is an overall, (( and [[ supported op
(( num ))
is alike a short to (( num != 0 ))
you can also invert the exit code of your this old code
! (( v == 0 ))
On Wed, Dec 1, 2021, 12:44 fatiparty--- via <help-bash@gnu.org> wrote:
>
> I have been using integer comparisons with standard approach
>
> (( n == 0 ))
>
> But this time I want to check if the variable is not zero. But some
> people have insisted that != is only for strings. Is this correct? How is
> this integer comparison customarily approached?
>
>
>