Get Logical Disks Report (JScript)

// ============================================================
// GetLogicalDiskReport.js
//
// Reports Logical Disks via WMI (Win32_LogicalDisk). JScript (Windows Script Host) —
// VBScript's sibling language, run the same way via cscript/wscript.
//
// Usage: cscript GetLogicalDiskReport.js
// ============================================================

var objWMIService = GetObject("winmgmts:\\\\.\\root\\cimv2");
var colItems = objWMIService.ExecQuery("SELECT DeviceID, VolumeName, Size, FreeSpace, DriveType FROM Win32_LogicalDisk");

var e = new Enumerator(colItems);
var output = "";
var count = 0;

for (; !e.atEnd(); e.moveNext()) {
    var item = e.item();
    output += "DeviceID: " + item.DeviceID + "\n";
    output += "VolumeName: " + item.VolumeName + "\n";
    output += "Size: " + item.Size + "\n";
    output += "FreeSpace: " + item.FreeSpace + "\n";
    output += "DriveType: " + item.DriveType + "\n";
    output += new Array(41).join("-") + "\n";
    count++;
}

if (count === 0) {
    WScript.Echo("No Logical Disks found.");
} else {
    WScript.Echo(output);
}