extern crate opemssh;
use std::env;
use std::fs::File;
use opemssh::{pem_to_der, der_to_openssh};
fn main() {
let filename = env::args().nth(1).expect("Give me a file");
let der = pem_to_der(&mut File::open(filename).unwrap()).unwrap();
let opssh = der_to_openssh(&der).unwrap();
println!("{}", opssh);
}