Book Image

Mastering PowerShell Scripting - Fourth Edition

By : Chris Dent
5 (1)
Book Image

Mastering PowerShell Scripting - Fourth Edition

5 (1)
By: Chris Dent

Overview of this book

PowerShell scripts offer a convenient way to automate various tasks, but working with them can be daunting. Mastering PowerShell Scripting takes away the fear and helps you navigate through PowerShell's capabilities.This extensively revised edition includes new chapters on debugging and troubleshooting and creating GUIs (online chapter). Learn the new features of PowerShell 7.1 by working with parameters, objects, and .NET classes from within PowerShell 7.1. This comprehensive guide starts with the basics before moving on to advanced topics, including asynchronous processing, desired state configuration, using more complex scripts and filters, debugging issues, and error-handling techniques. Explore how to efficiently manage substantial amounts of data and interact with other services using PowerShell 7.1. This book will help you to make the most of PowerShell's automation features, using different methods to parse data, manipulate regular expressions, and work with Windows Management Instrumentation (WMI).
Table of Contents (26 chapters)
24
Other Books You May Enjoy
25
Index

Debugging in Visual Studio Code

Visual Studio Code and other interactive editors greatly simplify working with the debugger. The debugger is accessed via a button on the left-hand side of the editor.

Using the debugger

The debugging options in Visual Studio Code, by default, will run a script and stop at any defined breakpoint.

The param block is removed from script.ps1 for this example, making the content:

$names = 'powershell', 'pwsh', 'code'
foreach ($name in $names) {
    Get-Process $name -ErrorAction SilentlyContinue
}

You can add breakpoints to a script by clicking to the left of the line number. A breakpoint has been added to script.ps1, as shown in Figure 23.5:

Figure 23.5: Debugging in Visual Studio Code

The breakpoint appears as a red dot next to the line. When the Run and Debug button is pressed, Visual Studio Code will execute the script. The script in this case is run in PowerShell 7.1 based on the version...