I recently did some minor file name munging in Rust, and was reminded that one of the hard parts about learning a new language is the differences in vocabulary. In UNIX, there are two command line tools, basename and dirname. They take a pathname as an argument and print a modified pathname to stdout, which is really handy for shell scripts. Several other languages copied that naming convention, and so I was really surprised to find that googling for rust dirname didn’t return anything usef...
