Thank you all. Those are great references that I added to our local 
Wiki. Here are some diagnostics on the links:

Ruby Central was inaccessible when I tried it, 8:30 PDT Saturday.

Ruby.org's copy of the Pragmantic Programmer's Guide is different 
(older?) than phrogz.

This link: 
http://phrogz.net/ProgrammingRuby/language.html#predefinedvariables 
takes me to the right page but the #... didn't work.

English looks great but it seems to be missing $: and probably a few 
other internal variables.

Again, thank you all very much.
Larry Fast
-- 
Posted via http://www.ruby-forum.com/.