| extern crate flate2; | |
| use flate2::bufread::GzEncoder; | |
| use flate2::Compression; | |
| use std::fs::File; | |
| use std::io; | |
| use std::io::prelude::*; | |
| use std::io::BufReader; | |
| // Open file and debug print the contents compressed with gzip | |
| fn main() { | |
| println!("{:?}", open_hello_world().unwrap()); | |
| } | |
| // Opens sample file, compresses the contents and returns a Vector or error | |
| // File wrapped in a BufReader implements Bufread | |
| fn open_hello_world() -> io::Result<Vec<u8>> { | |
| let f = File::open("examples/hello_world.txt")?; | |
| let b = BufReader::new(f); | |
| let mut gz = GzEncoder::new(b, Compression::fast()); | |
| let mut buffer = Vec::new(); | |
| gz.read_to_end(&mut buffer)?; | |
| Ok(buffer) | |
| } |