ls in rust

ls-rust.rs

use std::fs;
use std::path::Path;

fn list_files(path: &Path) {
    let metadata = match fs::metadata(path) {
        Ok(metadata) => metadata,
        Err(_) => return,
    };

    if metadata.is_file() {
        let file_size = metadata.len();
        println!("{:10} {:?}", file_size, path.display());
    } else if metadata.is_dir() {
        let paths = match fs::read_dir(path) {
            Ok(paths) => paths,
            Err(_) => return,
        };

        for path in paths {
            let path = path.unwrap().path();
            list_files(&path);
        }
    }
}

fn main() {
    let path = Path::new(".");
    list_files(path);
}