here's an older related HN post on a similar topic https://news.ycombinator.com/item?id=4623160 https://news.ycombinator.com/item?id=4623160. I again wish the

here's an older related HN post on a similar topic https://news.ycombinator.com/item?id=4623160 https://news.ycombinator.com/item?id=4623160. I again wish there was an Imagemagick/Graphicsmagick script to do this.