I have been using es (by Paul Haahr and Byron Rakitzis) for quite some years on unix, although effectively I did not use most of its more advanced features.
"Es is an extensible shell. The language was derived from the Plan 9 shell, rc, and was influenced by functional programming languages, such as Scheme, and the Tcl embeddable programming language. This implementation is derived from Byron Rakitzis's public domain implementation of rc. [...] " quote above comes from http://code.google.com/p/es-shell/source/browse/trunk/README http://hawkwind.cs.toronto.edu:8001/mlists/es.html http://code.google.com/p/es-shell Axel. On Dec 6, 2009, at 8:52 , Ciprian Dorin, Craciun wrote:
P.S.: In my migration from Sh/Bash I've ended up deciding between two candidates: scsh [...] and rc [...] So are there any other worthy alternatives?