List dir recursively
examples/iterators/list-dir-recursively/src/main.rs
use std::path::Path; fn main() { let path = get_dirname(); let path = Path::new(&path); list_dir(path); } fn get_dirname() -> String { let args = std::env::args().collect::<Vec<_>>(); if args.len() != 2 { eprintln!("Usage: {} PATH", args[0]); std::process::exit(1); } args[1].to_owned() } fn list_dir(path: &Path) { println!("path: {:?}", path); match path.read_dir() { Ok(dh) => { // A ReadDir instance for entry in dh { println!("{:?}", entry); if let Ok(entry) = entry { if entry.path().is_dir() { println!("DIR"); list_dir(&entry.path()); } } } }, Err(err) => println!("Could not open directory '{:?}': {}", path, err), } }