1 // Copyright 2014 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 // ignore-emscripten no processes
13 #![feature(io, process_capture)]
16 use std::io::prelude::*;
18 use std::process::{Command, Stdio};
22 let args: Vec<String> = env::args().collect();
23 if args.len() > 1 && args[1] == "child" {
31 let args: Vec<String> = env::args().collect();
32 let mut p = Command::new(&args[0]).arg("child")
33 .stdout(Stdio::piped())
34 .stdin(Stdio::piped())
36 p.stdin.as_mut().unwrap().write_all(b"test1\ntest2\ntest3").unwrap();
37 let out = p.wait_with_output().unwrap();
38 assert!(out.status.success());
39 let s = str::from_utf8(&out.stdout).unwrap();
40 assert_eq!(s, "test1\ntest2\ntest3\n");
44 let mut stdin = io::stdin();
45 for line in stdin.lock().lines() {
46 println!("{}", line.unwrap());