Search icon CANCEL
Subscription
0
Cart icon
Your Cart (0 item)
Close icon
You have no products in your basket yet
Save more on your purchases! discount-offer-chevron-icon
Savings automatically calculated. No voucher code required.
Arrow left icon
All Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Newsletter Hub
Free Learning
Arrow right icon
timer SALE ENDS IN
0 Days
:
00 Hours
:
00 Minutes
:
00 Seconds
Arrow up icon
GO TO TOP
Mastering PowerShell Scripting

You're reading from   Mastering PowerShell Scripting Automate repetitive tasks and simplify complex administrative tasks using PowerShell

Arrow left icon
Product type Paperback
Published in May 2024
Publisher Packt
ISBN-13 9781805120278
Length 826 pages
Edition 5th Edition
Languages
Arrow right icon
Author (1):
Arrow left icon
Chris Dent Chris Dent
Author Profile Icon Chris Dent
Chris Dent
Arrow right icon
View More author details
Toc

Table of Contents (25) Chapters Close

Who this book is for
What this book covers
To get the most out of this book
Get in touch
1. Introduction to PowerShell FREE CHAPTER 2. Modules 3. Variables, Arrays, and Hashtables 4. Working with Objects in PowerShell 5. Operators 6. Conditional Statements and Loops 7. Working with .NET 8. Files, Folders, and the Registry 9. Windows Management Instrumentation 10. Working with HTML, XML, and JSON 11. Web Requests and Web Services 12. Remoting and Remote Management 13. Asynchronous Processing 14. Graphical User Interfaces 15. Scripts, Functions, and Script Blocks 16. Parameters, Validation, and Dynamic Parameters 17. Classes and Enumerations 18. Testing 19. Error Handling 20. Debugging 21. Index

Unary, binary, and ternary operators

As mentioned at the start of this chapter, operators can expect different numbers of arguments.

A unary operator requires a single argument (acting on a single item), and in PowerShell, this argument is normally placed on the right-hand side of the operator. For example, the -not operator is a unary operator used as shown below:

-not $false

Several operators can be used as either unary or binary. The addition operator, +, and subtraction operators can be used as unary operators:

+1
-1

Addition and subtraction operators may also be used as binary operators (acting on two items), that is, an operator that expects two arguments, one on the left and one on the right:

1 + 1
1 - 1

A third type of operator is one that expects three arguments, a ternary operator (acting on three items).

PowerShell only has one operator that is strictly classed as ternary. It is used to express a logical condition.

About the ternary operator

The ternary operator is a conditional...

lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at ₹800/month. Cancel anytime
Banner background image