This application was tested against Ruby 2.2.2. To ensure maximum compatibility run the application against Ruby 2.2.2.
To install the application clone https://github.com/robertfall/twitter-example.git into a folder.
Navigate to the installation folder and run ./bin tweeter.
The application uses the system Ruby found at /usr/bin/ruby. To run the application with a different instance of Ruby run ruby bin/tweeter from the installation directory.
The application attempts to find the users.txt and tweets.txt files in the current directory. To run the application with files in other locations you can pass the path in as arguments: bin/tweeter path/to/users.txt path/to/tweets.txt
NOTE: Assumptions have been documented in the code as comments.