Indeed content-based chunking definitely has appeal, I'm thinking about all the backup softwares that use it as a smart way to cut down on total size in a way t

Indeed content-based chunking definitely has appeal, I'm thinking about all the backup softwares that use it as a smart way to cut down on total size in a way that leaves all snapshots independent from each other. On the other hand having a well-defined format and the tools to play with like you provide is definitely better to have it spread, so kudos for it.