Picolisp, although I suspect you can make a stub for most Lisps to get them to be usable in a shell script. Also, have you considered taking a look at SCSH, a

Picolisp, although I suspect you can make a stub for most Lisps to get them to be usable in a shell script. Also, have you considered taking a look at SCSH, a Scheme shell? There's even a topic for it on the HN front page: http://news.ycombinator.com/item?id=2070891 http://news.ycombinator.com/item?id=2070891