Re: [bash 4] 'test -v 1' is never true

[Alexey]

On 2022-11-26 21:45, Alejandro Colomar wrote:
> That was my gut; thanks!  I'll workaround with $#.

I could suggest you to use for clarity another construction:
[[ ${1+isset} ]] || echo "not set"

Here "isset" is just for readability. You could place any other string 
literal there.

Regards,
Alexey.