The es shell
Es is both simple and highly programmable. By exposing many of
the internals and adopting constructs from functional programming
languages, Paul Haahr and Byron Rakitzis have created a shell
which supports new paradigms for programmers.
The es shell and the mailing list archives are available on
Send subscription requests for the es mailing list to the adress
es-request at hawkwind.utcs.utoronto.ca.