[~@rish]ruby -v ruby 1.8.7 (2009-06-12 patchlevel 174) [universal-darwin10.0] [~@rish]echo $GEM_HOME [~@rish]rvm 1.9.2 [~@rish]ruby -v ruby 1.9.2p180 (2011-02-18 revision 30909) [x86_64-darwin10.6.0] [~@rish]which ruby irb rake gem /Users/…

遅ればせながらRVMを導入し、Ruby1.9.xを導入したら、「invalid multibyte char (US-ASCII)」というエラーが出た。 So Ruby 1.9 rejects to parse any file with non-ASCII characters if you don’t specify the encoding. You can do so by adding a Ruby c…