Node.js

Download a Zip from a URL and OpenBd. (No .zip file is created)

See more Zip Examples

Demonstrates how to download a .zip from a URL, opens the Zip, and gets the contents of a file. No file is ever written. Node.js

NODEJS_PRELUDE

function chilkatExample() {

    var success = false;

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

    var http = new chilkat.Http();

    var bd = new chilkat.BinData();

    // This URL is valid and can be tested...
    success = http.QuickGetBd("https://chilkatdownload.com/example_data/hamlet.zip",bd);
    if (http.LastMethodSuccess == false) {
        console.log(http.LastErrorText);
        return;
    }

    var zip = new chilkat.Zip();

    // Open the zip from the bytes contained in bd.
    success = zip.OpenBd(bd);
    if (success == false) {
        console.log(zip.LastErrorText);
        return;
    }

    // Get the entry for the file we want..
    var entry = new chilkat.ZipEntry();
    success = zip.EntryOf("hamlet.xml",entry);
    if (success == false) {
        console.log(zip.LastErrorText);
        return;
    }

    // Convert all line endings to CRLF (if needed)
    var lineEndingBehavior = 2;
    var xmlStr = entry.UnzipToString(lineEndingBehavior,"utf-8");
    if (entry.LastMethodSuccess == false) {
        console.log(entry.LastErrorText);
        return;
    }

    // The XML in this case is about 274K, so let's just examine the last 20 lines...
    var sb = new chilkat.StringBuilder();
    sb.Append(xmlStr);

    console.log(sb.LastNLines(20,true));

}

chilkatExample();