(Node.js) Unzip

See more Zip Examples

Unzip a zip archive, creating the subfolders as needed.

Install Chilkat for Node.js and Electron using npm at Chilkat npm packages for Node.js Chilkat npm packages for Electron on Windows, Linux, MacOSX, and ARM

var os = require('os');
if (os.platform() == 'win32') {  
    if (os.arch() == 'ia32') {
        var chilkat = require('@chilkat/ck-node21-win-ia32');
    } else {
        var chilkat = require('@chilkat/ck-node21-win64'); 
    }
} else if (os.platform() == 'linux') {
    if (os.arch() == 'arm') {
        var chilkat = require('@chilkat/ck-node21-arm');
    } else if (os.arch() == 'x86') {
        var chilkat = require('@chilkat/ck-node21-linux32');
    } else {
        var chilkat = require('@chilkat/ck-node21-linux64');
    }
} else if (os.platform() == 'darwin') {
    if (os.arch() == 'arm64') {
        var chilkat = require('@chilkat/ck-node21-mac-m1');
    } else {
        var chilkat = require('@chilkat/ck-node21-macosx');
    }
}

function chilkatExample() {

    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    var zip = new chilkat.Zip();

    var success = zip.OpenZip("qa_data/zips/sample.zip");
    if (success !== true) {
        console.log(zip.LastErrorText);
        return;
    }

    // Unzip to c:/temp/testDir
    // If c:/temp/testDir does not yet exist, it will be auto-created.
    var numFilesUnzipped = zip.Unzip("c:/temp/testDir");
    if (numFilesUnzipped < 0) {
        console.log(zip.LastErrorText);
        return;
    }

    // If, for example, the zip contained these files:

    // aaa/pigs.json
    // bbb/base64Cert.txt
    // bbb/sub1/brasil_cert.pem
    // bbb/sub2/penguins.gif
    // bbb/sub2/starfish.jpg
    // hamlet.xml
    // hello.pdf

    // then after unzipping, the following files will be created:

    // c:/temp/testDir/aaa/pigs.json
    // c:/temp/testDir/bbb/base64Cert.txt
    // c:/temp/testDir/bbb/sub1/brasil_cert.pem
    // c:/temp/testDir/bbb/sub2/penguins.gif
    // c:/temp/testDir/bbb/sub2/starfish.jpg
    // c:/temp/testDir/hamlet.xml
    // c:/temp/testDir/hello.pdf

    zip.CloseZip();

}

chilkatExample();