Python. Really, it has everything you probably need for whatever scripting you're doing, and plenty of stdlib and community to go around. If you're looking for

Python. Really, it has everything you probably need for whatever scripting you're doing, and plenty of stdlib and community to go around. If you're looking for something different try a Lisp or maybe Haskell but nothing really beats Python for simple scripting (except shell, of course, which has easy access to everything on your computer…)