Re: How to test if a variable is declared?

[Koichi Murase]

2022年3月14日(月) 0:02 Alex fxmbsw7 Ratchev <fxmbsw7@gmail.com>:
>
> [[ -v var ]] || printf not\\n

This thread is continued from the discussion two years ago. See the
original post of this thread where the reason that -v cannot be used
is explained: https://lists.gnu.org/archive/html/help-bash/2020-03/msg00015.html