I'm not sure how wise that is. It doesn't exactly lead to readable scripts. Zsh has had the equivalent feature with the syntax ${(operator)parameter) for over t

I'm not sure how wise that is. It doesn't exactly lead to readable scripts. Zsh has had the equivalent feature with the syntax ${(operator)parameter) for over two decades so plenty of time for more operators to be added. It is very powerful but worse than perl for code that looks like line noise.