From: Martin DeMello <martindemello@...>
Date: 2007-10-11T07:31:18+09:00
Subject: what does print call internally?

irb(main):001:0> puts nil
nil
=> nil
irb(main):002:0> print nil
nil=> nil
irb(main):003:0> class NilClass
irb(main):004:1> def inspect
irb(main):005:2> "foo"
irb(main):006:2> end
irb(main):007:1> end
=> foo
irb(main):008:0> puts nil
nil
=> foo
irb(main):009:0> nil.to_s
=> ""
irb(main):010:0> $_
=> foo

$ ruby -v
ruby 1.8.5 (2006-12-25 patchlevel 12) [x86_64-linux]

martin