Ternary operator (PowerShell 7+) - Mini Project: Build & Apply

Using the Ternary Operator in PowerShell 7+

📖 Scenario: You are working on a simple script to check if a number is even or odd. This is like checking if a number is divisible by 2 without any remainder, which is something you might do when sorting items into two groups.

🎯 Goal: Build a PowerShell script that uses the ternary operator to decide if a number is even or odd and then prints the result.

📋 What You'll Learn

Create a variable called number with the value 7

Create a variable called result that uses the ternary operator to check if number is even or odd

Print the result variable

💡 Why This Matters

🌍 Real World

Checking conditions quickly and assigning values based on those conditions is common in scripts that automate tasks, like sorting files or deciding what action to take.

💼 Career

Understanding the ternary operator helps you write concise and readable scripts, which is valuable for system administrators and automation engineers.

1

Create the number variable

Create a variable called number and set it to 7.

PowerShell

# Create a variable called number and set it to 7
# Your code here

Need a hint?

Use = to assign the value 7 to the variable number.

2

Add the ternary operator to check even or odd

Create a variable called result that uses the ternary operator to check if number % 2 equals 0. If yes, set result to 'Even', otherwise set it to 'Odd'.

PowerShell

$number = 7
# Create a variable called result using the ternary operator to check if number is even or odd
# Your code here

Need a hint?

Use $number % 2 -eq 0 ? 'Even' : 'Odd' syntax for the ternary operator in PowerShell 7+.

3

Print the result

Write a line to print the value of the result variable.

PowerShell

$number = 7
$result = ($number % 2 -eq 0) ? 'Even' : 'Odd'
# Print the result variable
# Your code here

Need a hint?

Use Write-Output to display the value of $result.

4

Test with a different number

Change the value of number to 10 and print the result again using the ternary operator.

PowerShell

$number = 7
$result = ($number % 2 -eq 0) ? 'Even' : 'Odd'
Write-Output $result
# Change number to 10 and update result using ternary operator
# Your code here

Need a hint?

Assign 10 to number, then use the ternary operator again to update result, and print it.