Sample code for 30+ languages & platforms
JavaScript

UnGzip .tgz to get a .tar

See more Tar Archive Examples

A .tgz is simply a TAR archive compressed using GZip. It is also commonly referred to as a .tar.gz. Chilkat GZip can be used to ungzip to get an uncompressed .tar.
Note
This example is intended for running within a Chilkat.Js embedded JavaScript engine. All Chilkat JavaScript examples require Chilkat v11.4.0 or greater.
JavaScript
var success = false;

var gzip = new CkGzip();

success = gzip.UncompressFile("qa_data/tar/test.tgz","qa_output/test.tar");
if (success !== true) {
    console.log(gzip.LastErrorText);
}
else {
    console.log("success.");
}