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Javadocs Maven Central

Archivers and Compressors for Scala

Add the library to your project

libraryDependencies += "com.github.gekomad" %% "scala-compress" % "1.0.1"

Here some results on compressing/decompressing a big scala file (20.971.520 bytes - 20 Mb) with Intel(R) Core(TM) i7-9750H CPU @ 2.60GHz and ssd disk.

Compression method Output file size Compression ratio Milliseconds to compress MB per second compression Milliseconds to decompress MB per second decompression
lzma 3.122.916 6.72 11004 2 304 69
7z 3.123.495 6.71 10468 2 274 77
xz 3.123.416 6.71 10503 2 385 54
bz2 3.610.542 5.81 2675 8 764 27
zStandard 4.413.677 4.75 104 202 35 599
deflate 4.546.808 4.61 557 38 94 223
zip 4.546.936 4.61 572 37 74 283
gz 4.546.820 4.61 579 36 77 272
snappy 6.380.034 3.29 1331 16 2672 8
lz4 7.387.702 2.84 72 291 25 839
cpio 20.972.032 1.00 25 839 18 1165
ar 20.971.588 1.00 30 699 33 636
tar 20.973.056 1.00 74 283 16 1311

To use the library add these imports

import com.github.gekomad.scalacompress.Compressors._
import com.github.gekomad.scalacompress.CompressionStats
import com.github.gekomad.scalacompress.DecompressionStats

View microsite for more information.

Bugs and Feedback

For bugs, questions and discussions please use Github Issues.

License

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.