Installing dike 0.0.4 on Mac OS X 10.5.1 LeopardEdit

I found out about dike in these posts:

Installation

$ sudo gem install dike
Password:
Updating metadata for 51 gems from http://gems.rubyforge.org
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complete
Successfully installed attributes-5.0.1
Successfully installed orderedhash-0.0.3
Successfully installed dike-0.0.3
3 gems installed