extern crate flate2_expose; use flate2_expose::Compression; use flate2_expose::GzBuilder; use std::fs::File; use std::io; use std::io::prelude::*; // Compresses content of a text file into a gzip file fn main() { sample_builder().unwrap(); } // GzBuilder opens a file and writes a sample string using Builder pattern fn sample_builder() -> Result<(), io::Error> { let f = File::create("examples/hello_world.txt.gz")?; let mut gz = GzBuilder::new() .filename("hello_world.txt") .comment("test file, please delete") .write(f, Compression::default()); gz.write_all(b"hello world")?; gz.finish()?; Ok(()) }