adbertram

# Define a custom object for a server or whatever object you want
$server = [pscustomobject]@{
	Name = "Server1"
	IPAddress = "192.168.0.1"
}

# Add a ScriptMethod to check if the server is online
## This can run any code you may like to associated with an object
$server | Add-Member -MemberType ScriptMethod -Name "IsOnline" -Value {
	param ($Timeout = 1000)

adbertram

## e.g. Ensure Get-Content always returns verbose information
$PSDefaultParameterValues['Get-Content:Verbose'] = $true

adbertram

# Without strict mode
$variable = "Hello"
Write-Output $varible  # No error, typo goes unnoticed

# With strict mode
Set-StrictMode -Version Latest
$variable = "Hello"
Write-Output $varible  # Error: The variable '$varible' cannot be retrieved because it has not been set.

adbertram

# Long command with many parameters all on one line
Send-MailMessage -From "admin@example.com" -To "user@example.com" -Subject "Test Email" -Body "This is a test email." -SmtpServer "smtp.example.com" -Port 587 -UseSsl -Credential (Get-Credential) -Attachments "C:\path\to\file.txt" -Priority High -DeliveryNotificationOption OnSuccess, OnFailure

# Equivalent command using splatting for readability
$mailParams = @{
    From                     = "admin@example.com"
    To                       = "user@example.com"
    Subject                  = "Test Email"
    Body                     = "This is a test email."
    SmtpServer               = "smtp.example.com"

adbertram

# Using Join-Path
$path = Join-Path -Path "C:\Users" -ChildPath "Documents\Report.txt"
Write-Output $path  # Outputs: C:\Users\Documents\Report.txt

# Downfall without Join-Path on different platforms
$path = "C:\Users" + "/" + "Documents/Report.txt"
Write-Output $path  # Incorrect path on Windows: C:\Users/Documents/Report.txt

adbertram

## no
gps | ? {$_.cpu -gt 100} | % { $_.name } | sort | ft -AutoSize

## yes
Get-Process | Where-Object { $_.CPU -gt 100 } | ForEach-Object { $_.Name } | Sort-Object | Format-Table -AutoSize

adbertram

# Define the path for the new log file
$filePath = "./largefile.log"

# Number of lines to write (e.g., 10 million lines)
$numberOfLines = 10000000

# Create and open the file
$file = [System.IO.StreamWriter]::new($filePath)

try {

adbertram

## No
Do-Thing | Out-Null

## yes
$null = Do-Thing
[void](Do-Thing)

adbertram

enum Color {
    Red
    Green
    Blue
}

function Set-Color {
    param (
        [Color]$Color
    )

adbertram

enum Color {
    Red
    Green
    Blue
}

function Set-Color {
    param (
        [Color]$Color
    )