From: Carlos Date: 2002-06-09T04:34:02+09:00 Subject: Re: How to view the ruby-tk81-demos-english > I have downloaded the demos file, but I cannot view it.When I typed "wish83 > hello", there was an error message said that there was error in startup > script :"invalid coomand name(require) while excuting". And I tried other > demo file there are always errors. Can you tell me how to excute them and > view the demos? Thanks . I don't know about these specific demos, but it seems to me that you are trying to run a ruby program with a tcl interpreter. Try "ruby hello" instead of "wish83 hello" and it should work. Maybe "ruby hello.rb".