use std::fs::File; use std::io::prelude::*; use runfiles::Runfiles; fn main() { let r = Runfiles::create().unwrap(); let mut f = File::open(r.rlocation("examples/hello_runfiles/hello_runfiles.rs")).unwrap(); let mut buffer = String::new(); f.read_to_string(&mut buffer).unwrap(); println!("This program's source is {} characters long.", buffer.len()); }