>>54 > It fails to execute "require 'rubygems/defaults/operating_system'" Humm.... Ignoring this exception is no problem?
> > Exception `NoMethodError' at c:/ruby/lib/ruby/1.8/rational.rb:78 > > - undefined method `gcd' for Rational(1, 2):Rational > You might execute a code like Rational(1, 2).gcd, > but the Rational class does not have a method named gcd. I found "Rational::gcd" in rational.rb ... But, the error has occurred. This is why?
sample code is here. ----cut here---- #!ruby -Ku puts "hello" ----cut here---- Run command "ruby -d foobar.rb" to confirm.
