async-std/examples/list-dir.rs

//! Lists files in a directory given as an argument.

#![feature(async_await)]

use std::env::args;

use async_std::fs;
use async_std::io;
use async_std::prelude::*;
use async_std::task;

fn main() -> io::Result<()> {
    let path = args().nth(1).expect("missing path argument");

    task::block_on(async {
        let mut dir = fs::read_dir(&path).await?;

        while let Some(entry) = dir.next().await {
            println!("{}", entry?.file_name().to_string_lossy());
        }

        Ok(())
    })
}