On Thu, Apr 13 2023, Felipe Contreras wrote:
> On Sun, Apr 9, 2023 at 9:26 AM David Bremner <da...@tethera.net> wrote:
>>
>> It is desirable to have the tests consider these variables being
>> undefined as equivalent to the feature not being present, and in
>> particular for the tests not to generate errors.
>
> This can be done easily with `[ ${FOO-0} -eq 1 ]`, or as I prefer: `[
> "$FOO" = 1 ]`.
[ "${FOO-0}" = 1 ]
if $FOO is to have $IFS characters...
Tomi
>
> --
> Felipe Contreras
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