(Node.js) Save Email Attachments to Filesystem

Saves email attachments to a directory.

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() {

    var email = new chilkat.Email();

    // Load an email object containing attachments.
    // This .eml can be downloaded from:
    // http://www.example-code.com/testData/HtmlEmail.eml
    var success;
    success = email.LoadEml("HtmlEmail.eml");
    if (success !== true) {
        console.log(email.LastErrorText);
        return;
    }

    // If OverwriteExisting is turned on, files with the same
    // name are overwritten.  If turned off, new/unique filenames
    // are automatically generated.  The filenames actually saved
    // are accessible via the GetAttachmentFilename method.
    email.OverwriteExisting = true;

    // Save all attachments to the "myAttachments" subdirectory
    // found under the calling process's current working directory.
    // This directory is automatically created if it does not already
    // exist.
    success = email.SaveAllAttachments("myAttachments");
    if (success !== true) {
        console.log(email.LastErrorText);
        return;
    }

    // List the attachment filenames:
    var i;
    for (i = 0; i <= email.NumAttachments - 1; i++) {
        console.log(email.GetAttachmentFilename(i));
    }


}

chilkatExample();