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Reverse engineering data formats is one of the most fun and satisfying things to do in programming.

• samus 3y ago
  Reverse-engineering a Postman backup file was fun as well. There are OpenAPI schemas, but I found many undocumented fields, and it was not at all obvious when default values for settings were set and when not. Probably a mix of glitches from schema evolution and fields that Postman uses internally.
• mdaniel 3y ago
  Followed, hopefully, by publishing that info so it's not lost to the dustbin of time Where I throw stones at myself is that I have a "perfect is the enemy of good" problem in that I don't publish writeups that are incomplete, because I keep hoping that if I just spend more holidays banging on it then I'll figure out why the parser works most of the time