extern crate users; use users::{Users, Groups, UsersCache}; extern crate env_logger; fn main() { env_logger::init(); let cache = UsersCache::new(); let current_uid = cache.get_current_uid(); println!("Your UID is {}", current_uid); let you = cache.get_user_by_uid(current_uid).expect("No entry for current user!"); println!("Your username is {}", you.name().to_string_lossy()); let primary_group = cache.get_group_by_gid(you.primary_group_id()).expect("No entry for your primary group!"); println!("Your primary group has ID {} and name {}", primary_group.gid(), primary_group.name().to_string_lossy()); }