I think that about sums it up perfectly: If you don't know Scala, learning it just to script with is extremely inefficient. However, if you already know Scala w

I think that about sums it up perfectly: If you don't know Scala, learning it just to script with is extremely inefficient. However, if you already know Scala well, all you need is the right library of functions to have a really nice (and much-safer-than-bash) scripting language (or you would if not for the long waits for compilation and startup JVM startup).