On 13.07.2010 23:57, Abder-Rahman Ali wrote: > Hi James. Of course I know irb (Interactive Ruby). I can use it from the > terminal on MAC OS X, and even online here: http://tryruby.org/ Great! Then you can try these things out. In my experience knowledge gained through one's own experimentation is more solid than secondhand knowledge anyway. Kind regards robert -- remember.guy do |as, often| as.you_can - without end http://blog.rubybestpractices.com/