xiong-kuheimatoMacBook-Air:~ hotpig$ ruby /Users/hotpig/RubymineProjects/wxruby/first_window.rb
/Library/Ruby/Gems/1.8/gems/wxruby-1.9.3-universal-darwin/lib/wxruby2.bundle:
dlopen(/Library/Ruby/Gems/1.8/gems/wxruby-1.9.3-universal-darwin/lib/wxruby2.bundle, 9): no suitable image found.  Did
find: (LoadError)
        /Library/Ruby/Gems/1.8/gems/wxruby-1.9.3-universal-darwin/lib/wxruby2.bundle: no matching architecture in universal
wrapper - /Library/Ruby/Gems/1.8/gems/wxruby-1.9.3-universal-darwin/lib/wxruby2.bundle
        from /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/rubygems/custom_require.rb:31:in
`require'
        from /Library/Ruby/Gems/1.8/gems/wxruby-1.9.3-universal-darwin/lib/wx.rb:12
        from /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/rubygems/custom_require.rb:36:in
`gem_original_require'
        from /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/rubygems/custom_require.rb:36:in
`require'
        from /Users/hotpig/RubymineProjects/wxruby/first_window.rb:3
xiong-kouheimatoMacBook-Air:~ hotpig$ file /Library/Ruby/Gems/1.8/gems/wxruby-1.9.3-universal-darwin/lib/wxruby2.bundle
/Library/Ruby/Gems/1.8/gems/wxruby-1.9.3-universal-darwin/lib/wxruby2.bundle: Mach-O universal binary with
2 architectures
/Library/Ruby/Gems/1.8/gems/wxruby-1.9.3-universal-darwin/lib/wxruby2.bundle (for architecture ppc7400):        Mach-O
bundle ppc
/Library/Ruby/Gems/1.8/gems/wxruby-1.9.3-universal-darwin/lib/wxruby2.bundle (for architecture i386):   Mach-O bundle
i386
xiong-kouheimatoMacBook-Air:~ hotpig$ from /System/Library/Frameworks/Rub
from: can't read /var/mail//System/Library/Frameworks/Rub
xiong-kouheimatoMacBook-Air:~ hotpig$ which ruby
/usr/bin/ruby
xiong-kouheimatoMacBook-Air:~ hotpig$ file /usr/bin/ruby
/usr/bin/ruby: Mach-O universal binary with 3 architectures
/usr/bin/ruby (for architecture x86_64):        Mach-O 64-bit executable x86_64
/usr/bin/ruby (for architecture i386):  Mach-O executable i386
/usr/bin/ruby (for architecture ppc7400):       Mach-O executable ppc