Cool! I made a multithreaded version about 10 years that works for binary files like .zip files:
https://github.com/century-arcade/src/tree/master/tools/vain...Cool! How do you handle internal checks in the files? How does overwriting 8 zeroes not break stuff?
Well it was intended/used to fill out a .zip file comment section, so those 8 zeroes were ignored anyway.