Zip and compress with rust 22.06.23

## Source code via mercurial
*  hg clone https://calantas.org/rustzip

## Cargo.toml
```toml
[package]
name = "rustzip"
version = "0.1.0"
edition = "2021"
[dependencies]
zip = { version = "0.6.6", default-features = false, features=["deflate"] }
```

## src/main.rs
```rust
use std::fs;
use std::fs::File;
use std::io::prelude::*;
use std::mem::size_of;
use zip::{write::FileOptions, CompressionMethod};

fn main() {
    println!("...test crete Zip file");
    clean_zipped();
    //write_binary_file();
    write_text_file();
    //write_bytes();
}

fn write_binary_file() -> std::io::Result<()> {
    let path = std::path::Path::new("zipped/products.zip");
    let file = std::fs::File::create(path).unwrap();
    let mut zip = zip::ZipWriter::new(file);
    let options = FileOptions::default().compression_method(CompressionMethod::Deflated);
    zip.start_file("products.db", options);
    let fpath = std::path::Path::new("products.db");
    let b = fs::read(fpath)?;
    zip.write_all(&b);
    zip.finish();
    Ok(())
}

fn write_text_file() -> std::io::Result<()> {
    let path = std::path::Path::new("zipped/lorum.zip");
    let file = std::fs::File::create(path).unwrap();
    let mut zip = zip::ZipWriter::new(file);
    let options = FileOptions::default().compression_method(CompressionMethod::Deflated);
    zip.start_file("lorum.txt", options);
    let fpath = std::path::Path::new("lorum.txt");
    let b = fs::read(fpath)?;
    zip.write_all(&b);
    zip.finish();
    Ok(())
}

fn write_bytes() {
    let path = std::path::Path::new("zipped/lorum.zip");
    let file = std::fs::File::create(path).unwrap();
    let mut zip = zip::ZipWriter::new(file);
    let options = FileOptions::default().compression_method(CompressionMethod::Deflated);

zip.start_file("lorum.txt", options);
    zip.write(b"Hello, World!Hello, World!Hello, World!Hello, World!Hello, World!Hello, World!Hello, World");
    zip.write(b"Hello, World!Hello, World!Hello, World!Hello, World!Hello, World!Hello, World!Hello, World");
    zip.write(b"Hello, World!Hello, World!Hello, World!Hello, World!Hello, World!Hello, World!Hello, World");
    zip.write(b"Hello, World!Hello, World!Hello, World!Hello, World!Hello, World!Hello, World!Hello, World");
    zip.write(b"Hello, World!Hello, World!Hello, World!Hello, World!Hello, World!Hello, World!Hello, World");
    zip.write(b"Hello, World!Hello, World!Hello, World!Hello, World!Hello, World!Hello, World!Hello, World");
    zip.write(b"Hello, World!Hello, World!Hello, World!Hello, World!Hello, World!Hello, World!Hello, World");
    zip.write(b"Hello, World!Hello, World!Hello, World!Hello, World!Hello, World!Hello, World!Hello, World");
    zip.write(b"Hello, World!Hello, World!Hello, World!Hello, World!Hello, World!Hello, World!Hello, World");
    zip.write(b"Hello, World!Hello, World!Hello, World!Hello, World!Hello, World!Hello, World!Hello, World");
    zip.write(b"Hello, World!Hello, World!Hello, World!Hello, World!Hello, World!Hello, World!Hello, World");
    zip.write(b"Hello, World!Hello, World!Hello, World!Hello, World!Hello, World!Hello, World!Hello, World");
    zip.write(b"Hello, World!Hello, World!Hello, World!Hello, World!Hello, World!Hello, World!Hello, World");
    zip.write(b"Hello, World!Hello, World!Hello, World!Hello, World!Hello, World!Hello, World!Hello, World");
    zip.finish();
}

fn clean_zipped() -> std::io::Result<()> {
    for path in fs::read_dir("zipped").unwrap() {
        let path = path.unwrap().path();
        fs::remove_file(path).unwrap();
    }
    Ok(())
}

```

https://docs.rs/zip/latest/zip/index.html

Anonymous

Zip and compress with rust 22.06.23

Information Epoch 1751568802