Re: "printf %d ''" should diagnose the empty string

[Zachary Santer]

On Mon, Feb 10, 2025 at 2:43 PM Lawrence Velázquez <v...@larryv.me> wrote:
>
> This accepts many valid expressions, not just literals.
>
>         phi() {
>                 (($1)) || (($1==0))
>         }

phi 'i[$( date >&2 )]'

Whoopsie-daisy.
https://mywiki.wooledge.org/BashPitfalls#read_num.3B_echo_.24.28.28num.2B-1.29.29