Here's a comment of mine elsewhere explaining how I do exactly this (and more): https://news.ycombinator.com/item?id=12810873 https://news.ycombinator.com/item?

Here's a comment of mine elsewhere explaining how I do exactly this (and more): https://news.ycombinator.com/item?id=12810873 https://news.ycombinator.com/item?id=12810873