is_stderr.rs - Codebrowser

1	use std::io;
2	use std::process;
3
4	use same_file::Handle;
5
6	fn main() {
7	if let Err(err) = run() {
8	println!("{}", err);
9	process::exit(`1`);
10	}
11	}
12
13	fn run() -> io::Result<()> {
14	// Run with `cargo run --example is_stderr 2> examples/stderr` to see
15	// interesting output.
16	let candidates = &[
17	"examples/is_same_file.rs",
18	"examples/is_stderr.rs",
19	"examples/stderr",
20	];
21	let stderr_handle = Handle::stderr()?;
22	for candidate in candidates {
23	let handle = Handle::from_path(candidate)?;
24	if stderr_handle == handle {
25	println!("{:?} is stderr!", candidate);
26	} else {
27	println!("{:?} is NOT stderr!", candidate);
28	}
29	}
30	Ok(())
31	}
32