I wanted the exact same thing and it's not totally trivial when you consider different discounts, quantities, past_due, trial dates, etc. So I built a simple s

I wanted the exact same thing and it's not totally trivial when you consider different discounts, quantities, past_due, trial dates, etc. So I built a simple script to do some of it: https://gist.github.com/5543145 https://gist.github.com/5543145