4 of those 5 (all but Shell) are very declarative languages. They tend to be very concise and powerful, but are quite different from the more imperative languag

4 of those 5 (all but Shell) are very declarative languages. They tend to be very concise and powerful, but are quite different from the more imperative languages people are used to. Could be that once you really grasp them, you love them, but they’re harder to grasp because they’re so different?