Maxim Cournoyer 写道：
> -    [ "${#warn}" -ne 0 ] &&
> -        { _err "${ERR}Missing commands: ${warn[*]}.";
> -          return 1; }
> -    
> +    [ "${#warn}" -ne 0 ] && die "Missing commands: ${warn[*]}."
> +

I did not run this, but will it not itself trigger -e  when the 
test is false?

Kind regards,

T G-R