Decompress Files

cargo.toml

zip = "0.6.2"

main.rs

use std::fs;
use std::io;

fn main() {
    std::process::exit(real_main());
}

fn real_main() -> i32 {
    let args: Vec<_> = std::env::args().collect();

    if args.len() < 2 {
        println!("Usage {} <filename>", args[0]);
        return 1;
    }

    let fname = std::path::Path::new(&*args[1]);
    let file = fs::File::open(&fname).unwrap();
    let mut archive = zip::ZipArchive::new(file).unwrap();

    for i in 0..archive.len() {
        let mut file = archive.by_index(i).unwrap();

        let outpath = match file.enclosed_name() {
            Some(path) => path.to_owned(),
            None => continue,
        };
        {   let comment = file.comment();
            if !comment.is_empty() {
                println!("File {} comment:{}", i, comment);
            }
        }
        if (*file.name()).ends_with('/'){
            println!("File {} extracted to \"{}\"", i, outpath.display());
            fs::create_dir_all(&outpath).unwrap();
        } else {
            println!("File {} extracted to \"{}\" ({} bytes)", i, outpath.display(), file.size());
        };
        if let Some(p) = outpath.parent(){
            if !p.exists(){
                fs::create_dir_all(&p).unwrap();
            }
        }
        let mut outfile = fs::File::create(&outpath).unwrap();
        io::copy(&mut file, &mut outfile).unwrap();
        #[cfg(unix)]
        {
            use std::os::unix::fs::PermissionsExt;

            if let Some(mode) = file.unix.mode(){
                fs::set_permissions(&outpath, fs::Permissions::from_mode(mode)).unwrap();
            }
        }
    }
    0
}

script.sh

cargo build
cargo run