This portable reference to PowerShell summarizes the command shell and scripting language and provides a concise guide to the many tasks that make PowerShell so useful. If you're a busy administrator and don't have time to plow through huge books or in-depth online searches, this is the ideal on-the-job tool.
Written by PowerShell team member Lee Holmes and excerpted from his PowerShell Cookbook, this edition offers up-to-date coverage of Windows PowerShell 5.1 and open source PowerShell Core up to 7 and beyond.
Beginning with a guided tour of PowerShell, this handy guide covers:
• PowerShell language and environment
• Regular expression reference
• XPath quick reference
• .NET string formatting
• .NET DateTime formatting
• Selected .NET classes and their uses
• WMI reference
• Selected COM objects and their uses
• Standard PowerShell verbs
Author(s): Lee Holmes
Edition: 3
Publisher: O'Reilly Media
Year: 2021
Language: English
Commentary: Vector PDF
Pages: 228
City: Sebastopol, CA
Tags: .NET; PowerShell; System Administration; XPath; Microsoft Windows
Cover
Copyright
Table of Contents
A Guided Tour of PowerShell
Introduction
An Interactive Shell
Structured Commands (Cmdlets)
Deep Integration of Objects
Administrators as First-Class Users
Composable Commands
Techniques to Protect You from Yourself
Common Discovery Commands
Ubiquitous Scripting
Ad Hoc Development
Bridging Technologies
Namespace Navigation Through Providers
Much, Much More
Conventions Used in This Book
Using Code Examples
O’Reilly Online Learning
How to Contact Us
Chapter 1. PowerShell Language and Environment
Commands and Expressions
Comments
Help Comments
Variables
Booleans
Strings
Literal and Expanding Strings
Here Strings
Escape Sequences
Numbers
Simple Assignment
Administrative Numeric Constants
Hexadecimal and Other Number Bases
Large Numbers
Imaginary and Complex Numbers
Arrays and Lists
Array Definitions
Array Access
Array Slicing
Hashtables (Associative Arrays)
Hashtable Definitions
Hashtable Access
XML
Simple Operators
Arithmetic Operators
Logical Operators
Binary Operators
Other Operators
Comparison Operators
Conditional Statements
if, elseif, and else Statements
Ternary Operators
Null Coalescing and Assignment Operators
switch Statements
Looping Statements
for Statement
foreach Statement
while Statement
do … while Statement/do … until Statement
Flow Control Statements
Classes
Custom Enumerations
Workflow-Specific Statements
Working with the .NET Framework
Static Methods
Instance Methods
Explicitly Implemented Interface Methods
Static Properties
Instance Properties
Learning About Types
Type Shortcuts
Creating Instances of Types
Interacting with COM Objects
Extending Types
Writing Scripts, Reusing Functionality
Writing Commands
Running Commands
Providing Input to Commands
Retrieving Output from Commands
Managing Errors
Nonterminating Errors
Terminating Errors
Formatting Output
Custom Formatting Files
Capturing Output
Common Customization Points
Console Settings
Profiles
Prompts
Tab Completion
User Input
Command Resolution
Chapter 2. Regular Expression Reference
Chapter 3. XPath Quick Reference
Chapter 4. .NET String Formatting
String Formatting Syntax
Standard Numeric Format Strings
Custom Numeric Format Strings
Chapter 5. .NET DateTime Formatting
Custom DateTime Format Strings
Chapter 6. Selected .NET Classes and Their Uses
Chapter 7. WMI Reference
Chapter 8. Selected COM Objects and Their Uses
Chapter 9. Selected Events and Their Uses
Generic WMI Events
Chapter 10. Standard PowerShell Verbs
Index
About the Author
