(Node.js) FTP Download File to a Stream

Demonstrates how to FTP download a file to a Chilkat stream.

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 FTP2 API to have been previously unlocked.
    // See FTP2 Unlock Sample for sample code.

    var ftp = new chilkat.Ftp2();

    ftp.Hostname = "my-ftp-server.com";
    ftp.Port = 21;
    ftp.Username = "mFtpLogin";
    ftp.Password = "myFtpPassword";
    ftp.AuthTls = true;
    ftp.Passive = true;

    // Connect and login to the FTP server using TLS.
    var success = ftp.Connect();
    if (success !== true) {
        console.log(ftp.LastErrorText);
        return;
    }

    // Move to the sub-directory (from the FTP user's home directory) where the file is located.
    success = ftp.ChangeRemoteDir("temp");
    if (success == false) {
        console.log(ftp.LastErrorText);
        return;
    }

    // Stream to this local file:
    var streamObj = new chilkat.Stream();
    streamObj.SinkFile = "c:/temp/qa_output/penguins2.jpg";

    success = ftp.GetFileToStream("penguins2.jpg",streamObj);
    if (success == false) {
        console.log(ftp.LastErrorText);
        return;
    }

    ftp.Disconnect();

    console.log("Success.");

}

chilkatExample();