HQ9+
This is a HQ9+ interpreter written in ruby. To install it just run this command
sudo curl 'https://raw.github.com/Addisonbean/HQ9Plus/master/hq9+' -o '/usr/local/bin/hq9+'; sudo chmod +x '/usr/local/bin/hq9+'
Then to run a file type
hq9+ <filename>
HQ9+ Tutorial
HQ9+ is actualy an easy programming language to learn. There are 4 commands: H, Q, 9, and +.
The H command prints 'Hello, world!'.
The Q is a quinne (it prints its own source code).
The 9 command prints all the lyrics to 99 bottles of beer on the wall.
The + command increments the accumulator by 1
For an official reference go here: cliffle.com/esoterica/hq9plus.html