Download ADR Tools from npryce/adr-tools
mkdir -p ~/bin
cd ~/bin
curl -L https://github.com/npryce/adr-tools/archive/2.1.0.tar.gz | tar zx
Add a new alias for convenience
echo "alias adr=~/bin/adr-tools-2.1.0/src/adr" >> ~/.bash_profile
Now you can run the adr-tools doing the following:
adr