If you want to store key values in a file, one fun and ridiculous technique is to use xattrs :) I made a pointless program to help w/ this on macOS for kicks:

If you want to store key values in a file, one fun and ridiculous technique is to use xattrs :) I made a pointless program to help w/ this on macOS for kicks: https://github.com/radiofreejohn/xattrkv https://github.com/radiofreejohn/xattrkv When I made it I also found a bug in the xattr implementation for Darwin and submitted it to Apple, they eventually fixed it.