$ macirb
irb(main):001:0> require 'net/http'
LoadError: no such file to load -- socket.rb.bundle
from /Library/Frameworks/MacRuby.framework/Versions/0.4/usr/lib/ruby/1.9.1/net/protocol.rb:21:in `require'
from /Library/Frameworks/MacRuby.framework/Versions/0.4/usr/lib/ruby/1.9.1/net/protocol.rb:21:in `<top (required)>'
from /Library/Frameworks/MacRuby.framework/Versions/0.4/usr/lib/ruby/1.9.1/net/http.rb:28:in `require'
from /Library/Frameworks/MacRuby.framework/Versions/0.4/usr/lib/ruby/1.9.1/net/http.rb:28:in `<top (required)>'
from (irb):1:in `require'
from (irb):1
from /usr/local/bin/macirb:12:in `<main>'
But I have socket.bundle in /Library/Frameworks/MacRuby.framework/Versions/0.4/usr/lib/ruby/1.9.1/universal-darwin9.5
thanks!
Sergei Homjakov