greycat 1185204079 learn The penultimate (second-to-last) argument of your script is "${@:(-2):1}". The ultimate (final) argument is "${@:(-1)}".
greycat 1303392415 forget
greycat 1303392416 learn The penultimate (second-to-last) argument of your script is "${@:(-2):1}". The ultimate (final) argument is "${@:(-1)}". For named arrays, the same thing: "${array[@]:(-2):1}" etc.