Flynn

finally, I have a unwise solution. ``` bash sudo mkdir -p /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin sudo ln -s /System/Library/Frameworks/Ruby.framework/Versions/Current/usr/bin/gem /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/gem sudo ln -s /System/Library/Frameworks/Ruby.framework/Versions/Current/usr/bin/ruby /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/ruby ``` I create two soft link, then have...