README.md

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Apache Commons Compress
===================

[![Build Status](https://travis-ci.org/apache/commons-compress.svg)](https://travis-ci.org/apache/commons-compress)
[![Coverage Status](https://coveralls.io/repos/apache/commons-compress/badge.svg)](https://coveralls.io/r/apache/commons-compress)
[![Maven Central](https://maven-badges.herokuapp.com/maven-central/org.apache.commons/commons-compress/badge.svg)](https://maven-badges.herokuapp.com/maven-central/org.apache.commons/commons-compress/)
[![License](https://img.shields.io/:license-apache-blue.svg)](https://www.apache.org/licenses/LICENSE-2.0.html)

Apache Commons Compress software defines an API for working with
compression and archive formats.  These include: bzip2, gzip, pack200,
lzma, xz, Snappy, traditional Unix Compress, DEFLATE, DEFLATE64, LZ4,
Brotli, Zstandard and ar, cpio, jar, tar, zip, dump, 7z, arj.

Documentation
-------------

More information can be found on the [Apache Commons Compress homepage](https://commons.apache.org/proper/commons-compress).
The [Javadoc](https://commons.apache.org/proper/commons-compress/javadocs/api-release) can be browsed.
Questions related to the usage of Apache Commons Compress should be posted to the [user mailing list][ml].

Where can I get the latest release?
-----------------------------------
You can download source and binaries from our [download page](https://commons.apache.org/proper/commons-compress/download_compress.cgi).

Alternatively you can pull it from the central Maven repositories:

```xml
<dependency>
  <groupId>org.apache.commons</groupId>
  <artifactId>commons-compress</artifactId>
  <version>1.18</version>
</dependency>
```

Contributing
------------

We accept Pull Requests via GitHub. The [developer mailing list][ml] is the main channel of communication for contributors.
There are some guidelines which will make applying PRs easier for us:
+ No tabs! Please use spaces for indentation.
+ Respect the code style.
+ Create minimal diffs - disable on save actions like reformat source code or organize imports. If you feel the source code should be reformatted create a separate PR for this change.
+ Provide JUnit tests for your changes and make sure your changes don't break any existing tests by running ```mvn clean test```.

If you plan to contribute on a regular basis, please consider filing a [contributor license agreement](https://www.apache.org/licenses/#clas).
You can learn more about contributing via GitHub in our [contribution guidelines](CONTRIBUTING.md).

License
-------
This code is under the [Apache Licence v2](https://www.apache.org/licenses/LICENSE-2.0).

See the `NOTICE.txt` file for required notices and attributions.

Donations
---------
You like Apache Commons Compress? Then [donate back to the ASF](https://www.apache.org/foundation/contributing.html) to support the development.

Additional Resources
--------------------

+ [Apache Commons Homepage](https://commons.apache.org/)
+ [Apache Issue Tracker (JIRA)](https://issues.apache.org/jira/browse/COMPRESS)
+ [Apache Commons Twitter Account](https://twitter.com/ApacheCommons)
+ `#apache-commons` IRC channel on `irc.freenode.org`

[ml]:https://commons.apache.org/mail-lists.html