There is an error with the template script on a fully patched m1 macbook. $1 is unbound, unless you provide an argument. This seems to be an utterly basic overs

There is an error with the template script on a fully patched m1 macbook. $1 is unbound, unless you provide an argument. This seems to be an utterly basic oversight for a template script from someone attempting to educate on bash's best practices. Especially true for seeking a "good balance between portability and DX".