Clojure is fun but starting a Clojure program that just prints hello world takes over 1 second, even worse on a raspberry pi. I suppose command line tools are not its main purpose.
You can make command line tools in Clojure, but in general I'd agree that you'd be better served by a language that can either compile and run faster [Golang] or is interpreted [Python, Ruby, etc.]. There's no real getting away from the JVM start-up cost, sadly.