https://github.com/ananthakumaran/hopfli

Haskell bindings for Zopfli Compression Algorithm
https://github.com/ananthakumaran/hopfli

haskell zopfli

Last synced: 11 months ago
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Haskell bindings for Zopfli Compression Algorithm

• Host: GitHub
• URL: https://github.com/ananthakumaran/hopfli
• Owner: ananthakumaran
• License: apache-2.0
• Created: 2014-02-08T11:01:31.000Z (over 12 years ago)
• Default Branch: master
• Last Pushed: 2023-03-31T11:33:30.000Z (about 3 years ago)
• Last Synced: 2025-06-25T10:35:49.096Z (12 months ago)
• Topics: haskell, zopfli
• Language: Haskell
• Homepage:
• Size: 78.1 KB
• Stars: 1
• Watchers: 3
• Forks: 3
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • Changelog: CHANGELOG.md
  • License: LICENSE

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README

          
Hopfli - Haskell bindings to the Zopfli library

===

[![Build Status](https://secure.travis-ci.org/ananthakumaran/hopfli.svg)](https://travis-ci.org/ananthakumaran/hopfli.svg?branch=master)

[![Hackage-Deps](https://img.shields.io/hackage-deps/v/hopfli.svg)](http://packdeps.haskellers.com/specific?package=hopfli)

[![Hackage](https://img.shields.io/hackage/v/hopfli.svg)](https://hackage.haskell.org/package/hopfli)

[![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://opensource.org/licenses/Apache-2.0)

Hopfli provides a pure interface to compress data using the Zopfli library.

*Zopfli is a compression library released by Google in 2013, which can output

either a raw DEFLATE stream, or one wrapped into zlib or gzip formats. Under

default settings, the output produced by Zopfli is 3.7–8.3% smaller than that of

`gzip -9`, though the algorithm is 81 times slower.*

Zopfli is distributed under the Apache 2.0 license.

## Example

````haskell

import           Codec.Compression.Hopfli

import           Data.ByteString

import           System.IO                (stdin, stdout)

main :: IO ()

main = hGetContents stdin >>= hPut stdout . compressWith defaultCompressOptions GZIP

````

````

runGhc example.hs < README.md > README.md.gz

````