async-std/examples/list-dir.rs
2019-08-08 14:44:48 +02:00

21 lines
468 B
Rust

//! Lists files in a directory given as an argument.
#![feature(async_await)]
use std::env::args;
use async_std::{fs, io, prelude::*, 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(())
})
}