~ $ ruby --version
ruby 2.0.0p648 (2015-12-16 revision 53162) [universal.x86_64-darwin16]
~ $ gem install zensend
Fetching: zensend-0.0.2.gem (100%)
Successfully installed zensend-0.0.2
Parsing documentation for zensend-0.0.2
Installing ri documentation for zensend-0.0.2
Done installing documentation for zensend after 0 seconds
1 gem installed