extern crate tar;

use std::io::prelude::*;
use std::fs::File;
use tar::Archive;

fn main() {
    let file = File::open("foo.tar").unwrap();
    let mut a = Archive::new(file);

    for file in a.entries().unwrap() {
        // Make sure there wasn't an I/O error
        let mut file = file.unwrap();

        // Inspect metadata about the file
        println!("{:?}", file.header().path().unwrap());
        println!("{}", file.header().size().unwrap());

        // files implement the Read trait
        let mut s = String::new();
        file.read_to_string(&mut s).unwrap();
        println!("{}", s);
    }
}

extern crate tar;

use std::io::prelude::*;
use std::fs::File;
use tar::Builder;

fn main() {
    let file = File::create("foo.tar").unwrap();
    let mut a = Builder::new(file);

    a.append_path("file1.txt").unwrap();
    a.append_file("file2.txt", &mut File::open("file3.txt").unwrap()).unwrap();
}