From: Roger Pack Date: 2011-05-18T05:34:29+09:00 Subject: [ruby-core:36291] Re: unable to load irb, 1.9.3 mingw > How you built ruby? from source, mingw/msys with "make install" > Here is the thing: Ruby default approach was add irb contents to > irb.bat, something we removed from RubyInstaller project, check the > rubyinstaller source code for that: > > https://github.com/oneclick/rubyinstaller/blob/master/recipes/interpreter/ruby19.rake#L138-154 Ok. So with rubyinstaller it does work, but with vanilla mingw builds it doesn't. Is this worth reporting? -roger-