Input the middle character to draw a diamond
e.g if you run this program with input E your output will be..
A
B B
C C
D D
E E
D D
C C
B B
A
** You must have Ruby 2.0+ installed **
If you have RVM already installed, rvm install 2.0.0
Otherwise, brew install ruby to get started
If you are using Ruby 2.2+, you will need to run gem install test-unit first as it's not bundled together any more.
Then use the ./go.sh script.
Run tests
./go.sh test
Run app, like so ./go.sh run <input>
./go.sh run A
./go.sh run E
...
Credits to @joesustaric for the README and go.sh template.