What Is the Windows Scripting Host Object?


Scott Campbell

The Windows Scripting Host Object: A Comprehensive Guide

The Windows Scripting Host Object is a powerful tool that allows you to automate tasks and execute scripts on your Windows operating system. With its vast array of functionalities, it serves as a bridge between the operating system and scripting languages like VBScript and JScript. In this article, we will explore the capabilities of the Windows Scripting Host Object and learn how to harness its power for effective scripting.

What is the Windows Scripting Host Object?

The Windows Scripting Host Object (WSH) is an automation technology provided by Microsoft for running scripts on the Windows platform. It acts as a host environment, allowing you to execute scripts written in various scripting languages such as VBScript and JScript.

WSH provides a set of objects and methods that enable you to interact with the operating system, manipulate files and folders, access network resources, and perform a wide range of administrative tasks. Whether you need to automate repetitive tasks or create complex systems management scripts, the WSH object model has got you covered.

Key Features of WSH

  • Flexibility: WSH supports multiple scripting languages, giving you the freedom to choose between VBScript, JScript, or even PerlScript for your scripting needs.
  • Access to System Resources: With WSH, you can access various system resources like files, folders, registry settings, network resources, printers, and more.
  • Error Handling: WSH provides robust error handling mechanisms that allow you to gracefully handle errors during script execution.
  • Scheduling Tasks: You can use WSH along with the Windows Task Scheduler to schedule scripts for automatic execution at specific times or intervals.
  • User Interface: WSH allows you to create simple user interfaces for your scripts using message boxes, input boxes, and other dialog boxes.

Getting Started with WSH

To start using the Windows Scripting Host Object, you need to have a scripting language installed on your system. By default, Windows comes with VBScript and JScript pre-installed. These scripting languages provide a familiar syntax and are well-documented, making them ideal choices for beginners.

Once you have a scripting language installed, you can create a new script file with the desired extension (.vbs for VBScript or .js for JScript) using a text editor like Notepad. Write your script code within the file and save it with an appropriate name.

To execute the script, simply double-click on the script file. The Windows Scripting Host will launch and run your script within its environment. You can also run scripts from the command prompt by typing “cscript” or “wscript” followed by the path to your script file.

WSH Object Model

The WSH object model consists of various objects that represent different aspects of the operating system and provide access to their properties and methods. Some of the key objects in the WSH object model include:

  • WScript: This object provides access to general properties and methods related to the Windows Scripting Host itself.
  • FileSystemObject: This object allows you to work with files, folders, drives, and other file system-related operations.
  • Shell: This object provides access to shell-related operations such as launching applications, creating shortcuts, manipulating desktop icons, and more.
  • Network: This object enables you to perform network-related tasks like mapping network drives, accessing shared resources, and retrieving network information.

To access these objects and their members, you can use the dot notation. For example, to create an instance of the FileSystemObject, you can use the following code:

Set objFSO = CreateObject("Scripting.FileSystemObject")

Once you have created an object instance, you can invoke its methods and access its properties using the dot notation. For example, to check if a file exists, you can use the following code:

If objFSO.FileExists("C:\path\to\file.txt") Then
    WScript.Echo "File exists!"
    WScript.Echo "File does not exist."
End If


The Windows Scripting Host Object is a powerful tool for automating tasks and executing scripts on Windows. With its wide range of capabilities and support for multiple scripting languages, it provides a flexible and efficient way to interact with the operating system. By harnessing the power of the WSH object model, you can create robust scripts that streamline your workflow and enhance your productivity.

So go ahead and explore the Windows Scripting Host Object. Start by experimenting with simple scripts and gradually build your skills to tackle more complex automation tasks. With practice and creativity, you’ll be amazed at what you can accomplish using this versatile tool.

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