$ wget -O hooke.zip http://www.physics.drexel.edu/~wking/code/hg/hgwebdir.cgi/hooke/archive/tip.zip
$ unzip hooke.zip
$ cd hooke
- $ python bin/hooke
+ $ python bin/hk.py
You may need to give the full path for Python on Windows systems, and
also check that the current working directory (`.`) is in your