You're reading from PowerShell 7 Workshop Learn how to program with PowerShell 7 on Windows, Linux, and the Raspberry Pi

Product type Paperback

Published in Feb 2024

Publisher Packt

ISBN-13 9781801812986

Length 468 pages

Edition 1st Edition

Languages

PowerShell

Tools

Linux

Concepts

System Administration

Author (1):

Nick Parlow

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Table of Contents (23) Chapters

Preface

1. Part 1: PowerShell Fundamentals

2. Chapter 1: Introduction to PowerShell 7 – What It Is and How to Get It FREE CHAPTER

3. Chapter 2: Exploring PowerShell Cmdlets and Syntax

4. Chapter 3: The PowerShell Pipeline – How to String Cmdlets Together

5. Chapter 4: PowerShell Variables and Data Structures

6. Chapter 5: PowerShell Control Flow – Conditionals and Loops

7. Chapter 6: PowerShell and Files – Reading, Writing, and Manipulating Data

8. Chapter 7: PowerShell and the Web – HTTP, REST, and JSON

9. Part 2: Scripting and Toolmaking

10. Chapter 8: Writing Our First Script – Turning Simple Cmdlets into Reusable Code

11. Chapter 9: Don’t Repeat Yourself – Functions and Scriptblocks

12. Chapter 10: Error Handling – Oh No! It’s Gone Wrong!

13. Chapter 11: Creating Our First Module

14. Chapter 12: Securing PowerShell

15. Part 3: Using PowerShell

16. Chapter 13: Working with PowerShell 7 and Windows

17. Chapter 14: PowerShell 7 for Linux and macOS

18. Chapter 15: PowerShell 7 and the Raspberry Pi

19. Chapter 16: Working with PowerShell and .NET

20. Answers to Activities and Exercises

21. Index

Why subscribe?

22. Other Books You May Enjoy

Exploring debugging

My code has bugs in it. Your code has bugs in it. We’re not bad coders; all code has bugs – we just haven’t found them all yet. According to Coverity (a code-quality scanning company), quality-controlled professionally written software has around 1 defect (or bug) per 1,000 lines of code. Some of these bugs are never found because the particular set of rare circumstances where the code doesn’t behave as expected (an edge case, in the jargon) hasn’t occurred.

Bugs largely consist of two types:

Syntax errors, where we’ve misspelled a cmdlet or parameter name or missed out a closing bracket or quotation mark. Syntax errors are basically typing errors – just sometimes we’ve typed the wrong thing thinking it’s the right thing. We’ve seen already how using VS Code can help us enormously with this, by color coding, syntax checking, code hints, and tab autocomplete.
Logic errors, where...