In Rust, it's easy: https://github.com/bootandy/dust/blob/master/src/dir_walker.rs https://github.com/bootandy/dust/blob/master/src/dir_walker.... (Dust is "du

In Rust, it's easy: https://github.com/bootandy/dust/blob/master/src/dir_walker.rs https://github.com/bootandy/dust/blob/master/src/dir_walker.... (Dust is "du + rust").