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use std::fs;
use std::io::{self, Read};
use std::time::Instant;
fn main() {
let mut base_file = fs::File::create("base.txt").unwrap();
let mut src = io::repeat(65).take(100 * 1024 * 1024); // 100 MB
io::copy(&mut src, &mut base_file).unwrap();
let before_reflink = Instant::now();
match reflink_copy::reflink("base.txt", "reflinked.txt") {
Ok(()) => {}
Err(e) => {
println!("Error during reflinking:\n{:?}", e);
fs::remove_file("base.txt").unwrap();
return;
}
};
println!("Time to reflink: {:?}", Instant::now() - before_reflink);
let before_copy = Instant::now();
fs::copy("base.txt", "copied.txt").unwrap();
println!("Time to copy: {:?}", Instant::now() - before_copy);
fs::remove_file("base.txt").unwrap();
fs::remove_file("reflinked.txt").unwrap();
fs::remove_file("copied.txt").unwrap();
}
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