Mastering Windows PowerShell Scripting (Second Edition)

Name: Mastering Windows PowerShell Scripting (Second Edition) | One-stop guide to automating administrative tasks
Brand: Packt Publishing Limited
Price: 37.49 EUR
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One-stop guide to automating administrative tasks

Chris Dent(Author)

Packt Publishing Limited

2nd Edition

Published on 13. January 2025

440 pages

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978-1-78712-171-3 (ISBN)

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Description

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Content

Cover
Copyright
Credits
About the Authors
About the Reviewer
www.PacktPub.com
Customer Feedback
Table of Contents
Preface
Chapter 1: Introduction to PowerShell
What is PowerShell?
Quick reference
Comments
Special characters
Tick in PowerShell
Common operators
Dropping unwanted output
Creating arrays and hashtables
Strings
Common reserved variables
Quick commands and hot keys
PowerShell editors
PowerShell ISE
Features
Installing ISE Preview
Starting ISE
Visual Studio Code
Features
Console
Version control (Git)
PowerShell on Linux
Installing PowerShell
Where are the PowerShell files?
Changing the shell
Profiles
Multiplatform scripting
Line endings
File encoding
Path separator
Example
Summary
Chapter 2: Working with PowerShell
Getting help
Updatable help
The Get-Help command
Syntax
Examples
Parameter
Detailed and Full switches
Save-Help
Update-Help
About help files
Command naming and discovery
Verbs
Nouns
Finding commands
Aliases
Parameters and parameter sets
Parameters
Optional parameters
Optional positional parameters
Mandatory parameters
Mandatory positional parameters
Switch parameters
Common parameters
Parameter values
Parameter sets
Confirm, WhatIf, and Force
Confirm parameter
ConfirmPreference
WhatIf parameter
WhatIfPreference
Force parameter
Providers
Drives using providers
Using providers
Summary
Chapter 3: Modules and Snap-Ins
What is a module?
What is the PowerShell Gallery?
The Get-Module command
The Import-Module command
The Remove-Module command
The Find-Module command
The Install-Module command
The Save-Module command
What is a snap-in?
Using snap-ins
Summary
Chapter 4: Working with Objects in PowerShell
Pipelines
Standard output
Non-standard output
The object pipeline
Members
The Get-Member command
Accessing properties
Using methods
Access modifiers
The Add-Member command
Enumerating and filtering
The ForEach-Object command
Where-Object command
Selecting and sorting
The Select-Object command
The Sort-Object command
Grouping and measuring
The Group-Object command
The Measure-Object command
Comparing
Importing, exporting, and converting
The Export-Csv command
The Import-Csv command
Export-Clixml and Import-Clixml
Summary
Chapter 5: Operators
Arithmetic operators
Operator precedence
Addition and subtraction operators
Multiplication, division, and modulus operators
Shift left and shift right operators
Assignment operators
Assign, add and assign, and subtract and assign
Multiply and assign, divide and assign, and modulus and assign
Comparison operators
Case-sensitivity
Comparison operators and arrays
Equal to and not equal to
Like and not like
Greater than and less than
Contains and in
Regular-expression-based operators
Match and not match
Replace
Split
Binary operators
Binary and
Binary or
Binary exclusive or
Binary not
Logical operators
And
Or
Exclusive or
Not
Type operators
As
Is and isnot
Redirection operators
Redirection to a file
Redirecting streams to standard output
Redirection to null
Other operators
Call
Comma
Format
Increment and decrement
Join
Summary
Chapter 6: Variables, Arrays, and Hashtables
Naming and creating variables
Variable commands
Clear-Variable
Get-Variable
New-Variable
Remove-Variable
Set-Variable
Variable scope
Local and Global scope
Private scope
Script scope
Type and type conversion
Objects assigned to variables
Arrays
Creating an array
Arrays with a type
Adding elements to an array
Selecting elements from an array
Changing element values in an array
Removing elements from an array
Removing elements by index
Removing elements by value
Clearing an array
Filling variables from arrays
Multi-dimensional and jagged arrays
Hashtables
Creating a hashtable
Adding and changing elements to a hashtable
Selecting elements from a hashtable
Enumerating a hashtable
Removing elements from a hashtable
Lists, dictionaries, queues, and stacks
Lists
Creating a list
Adding elements to the list
Selecting elements from the list
Removing elements from the list
Changing element values in a list
Dictionaries
Creating a dictionary
Adding and changing elements in a dictionary
Selecting elements from a dictionary
Enumerating a dictionary
Removing elements from a dictionary
Queues
Creating a queue
Enumerating the queue
Adding elements to the queue
Removing elements from the queue
Stacks
Creating a stack
Enumerating the stack
Adding elements to the stack
Removing elements from the stack
Summary
Chapter 7: Branching and Looping
Conditional statements
If, else, and elseif
Assignment within if statements
Switch
Wildcard and Regex
Expressions
Loops
Foreach
For
Do until and do while
While
Break and continue
Summary
Chapter 8: Working with .NET
Assemblies
Namespaces
Types
Classes
Constructors
Calling constructors
Calling constructors with lists of arguments
Arguments as an array
Properties and methods
Static properties
Static methods
Non-public classes
Type accelerators
Using
Using assemblies
Using namespaces
Summary
Chapter 9: Data Parsing and Manipulation
String manipulation
Indexing into strings
String methods and arrays
Substring
Split
Replace
Trim, TrimStart, and TrimEnd
Insert and Remove
IndexOf and LastIndexOf
PadLeft and PadRight
ToUpper, ToLower, and ToTitleCase
Contains, StartsWith, and EndsWith
Chaining methods
Converting strings
Working with Base64
How Base64 works
Working with CSV
Convert-String
ConvertFrom-String
Number manipulation
Large byte values
Power-of-10
Hexadecimal
Using System.Math
Converting strings to numeric values
Date and time manipulation
DateTime parameters
Parsing dates
Changing dates
Comparing dates
Summary
Chapter 10: Regular Expressions
Regex basics
Debugging regular expressions
Literal characters
Any character (.)
Repetition with * and +
The escape character (\)
Optional characters
Non-printable characters
Anchors
Repetition
Exploring the quantifiers
Character classes
Ranges
Negated character class
Character class subtraction
Shorthand character classes
Alternation
Grouping
Repeating groups
Restricting alternation
Capturing values
Named capture groups
Non-capturing groups
Examples of regular expressions
MAC addresses
IP addresses
Netstat command
Summary
Chapter 11: Files, Folders, and the Registry
Working with providers
Navigating
Getting items
Drives
Items
Testing existence
Creating and deleting items
Invoking items
Item properties
Filesystem properties
Adding and removing file attributes
Registry values
Permissions
Ownership
Access and audit
Rule protection
Inheritance and propagation flags
Removing access control entries
Copying lists and entries
Adding access control entries
Filesystem rights
Registry rights
Transactions
File catalogs
New-FileCatalog
Test-FileCatalog
Summary
Chapter 12: Windows Management Instrumentation
Working with WMI
WMI classes
WMI commands
The WMI Query Language
Understanding SELECT, WHERE, and FROM
Escape sequences and wildcard characters
Logic operators
Comparison operators
Quoting values
Associated classes
WMI object path
Using ASSOCIATORS OF
CIM cmdlets
Getting instances
Getting classes
Calling methods
Creating instances
Working with CIM sessions
Associated classes
The WMI cmdlets
Getting instances
Working with dates
Getting classes
Calling methods
Creating instances
Associated classes
Permissions
Sharing permissions
Creating a shared directory
Getting a security descriptor
Adding an access control entry
Setting the security descriptor
WMI permissions
Getting a security descriptor
The access mask
WMI and SDDL
Summary
Chapter 13: HTML, XML, and JSON
HTML
ConvertTo-Html
Multiple tables
Adding style
HTML and special characters
XML
Elements and attributes
Namespaces
Schemas
System.Xml
ConvertTo-Xml
XML type accelerator
XPath and Select-Xml
Working with namespaces
Creating documents
Modifying element and attribute values
Adding elements
Copying nodes between documents
Removing elements and attributes
Schema validation
System.Xml.Linq
Opening documents
Selecting nodes
Creating documents
Working with namespaces
Modifying element and attribute values
Adding nodes
Removing nodes
Schema validation
JSON
ConvertTo-Json
ConvertFrom-Json
Summary
Chapter 14: Working with REST and SOAP
Web requests
HTTP methods
HTTPS
Bypassing SSL errors
Capturing SSL errors
Working with REST
Invoke-RestMethod
Simple requests
Requests with arguments
Working with authentication
Walking through OAuth
Creating an application
Getting an authorization code
Requesting an access token
Getting a list of playlists
Getting a list of tracks
Working with SOAP
New-WebServiceProxy
Methods
Types
Namespaces
Summary
Chapter 15: Remoting and Remote Management
WS-Management
Enabling remoting
Get-WSManInstance
WSMan drive
Remoting and SSL
Set-WSManQuickConfig
Remoting and permissions
Remoting permissions GUI
Remoting permissions by script
User Account Control
Trusted hosts
CIM sessions
New-CimSession
Get-CimSession
Using CIM sessions
PS sessions
New-PSSession
Get-PSSession
Invoke-Command
Local functions and remote sessions
Using splatting with ArgumentList
The AsJob parameter
Disconnected sessions
The using variable scope
Enter-PSSession
Import-PSSession
Export-PSSession
Copying items between sessions
The double-hop problem
CredSSP
Passing credentials
Summary
Chapter 16: Testing
Static analysis
Abstract syntax tree
PSScriptAnalyzer
Suppressing rules
Testing with Pester
Why write tests?
What to test
Describe and It
Test cases
Independent verification
Assertions
Be
BeIn
BeLessThan
BeLike
BeLikeExactly
BeNullOrEmpty
BeOfType
FileContentMatch
FileContentMatchExactly
FileContentMatchMultiline
Exist
Match
MatchExactly
Throw
Not
Context
Before and After
TestDrive
Mock
Assert-MockCalled
Parameter filtering
Mocking objects
Fabricating objects
Mocking methods
CIM objects
Pester in practice
Summary
Chapter 17: Error Handling
Error types
Terminating errors
Non-terminating errors
Error action
Raising errors
Error records
Write-Error
Throw and ThrowTerminatingError
Error and ErrorVariable
Catching errors
Try, catch, and finally
Try
Catch
Finally
Rethrowing errors
Inconsistent error behavior
Throw and ErrorAction
Nesting try-catch-finally
Terminating or non-terminating
Trap
Using trap
Trap, scope, and continue
Summary
Index

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Mastering Windows PowerShell Scripting (Second Edition)

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