A Dart library to encode and decode various archive and compression formats.
The library has no reliance on dart:io, so it can be used for both server and
web applications.
The archive library currently supports the following decoders:
- Zip (Archive)
- Tar (Archive)
- ZLib [Inflate decompression]
- GZip [Inflate decompression]
- BZip2 [decompression]
And the following encoders:
- Zip (Archive)
- Tar (Archive)
- ZLib [Deflate compression]
- GZip [Deflate compression]
- BZip2 [compression]
Extract the contents of a Zip file, and encode the contents as a BZip2 compressed Tar file:
import 'dart:io' as Io;
import 'package:archive/archive.dart';
void main() {
// Read the Zip file from disk.
List<int> bytes = new Io.File('test.zip').readAsBytesSync();
// Decode the Zip file
Archive archive = new ZipDecoder().decodeBytes(bytes);
// Extract the contents of the Zip archive to disk.
for (ArchiveFile file in archive) {
String filename = file.name;
List<int> data = file.content;
new Io.File('out/' + filename)
..createSync(recursive: true)
..writeAsBytesSync(data);
}
// Encode the archive as a BZip2 compressed Tar file.
List<int> tar_data = new TarEncoder().encode(archive);
List<int> tar_bz2 = new BZip2Encoder().encode(tar_data);
// Write the compressed tar file to disk.
Io.File fp = new Io.File(filename + '.tbz');
fp.writeAsBytesSync(tar_bz2);
}