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