use std::io::{Read, Write};
use std::fs::File;

fn main() {
    let mut image = File::open("./image.jpg").unwrap();
    let mut buffer = Vec::new();
    let bytes = image.read_to_end(&mut buffer);

    let mut out = File::open("./output.jpg").unwrap();
    out.write(buffer.as_slice()).unwrap();
}