[Solved] Given this function, what will be the output when piping numbers 1 to 3?... Given this function, what will be the output when piping numbers 1 to 3? | PowerShell

PowerShell - Functions

Given this function, what will be the output when piping numbers 1 to 3?

function Show-Number {
  param([Parameter(ValueFromPipeline=$true)] $num)
  process { Write-Output ($num * 2) }
}
1..3 | Show-Number

ANo output

B2 4 6

C3 6 9

D1 2 3

Step-by-Step Solution

Solution:

Step 1: Understand pipeline input and process block
The function accepts pipeline input for parameter $num. The process block runs once per pipeline item.
Step 2: Calculate output for each input
Input numbers 1, 2, 3 are piped. Each is multiplied by 2 and output: 2, 4, 6.
Final Answer:
2 4 6 -> Option B
Quick Check:
Each input * 2 = output [OK]

Quick Trick: process block runs per item; multiply input by 2 [OK]

Common Mistakes:

Master "Functions" in PowerShell

9 interactive learning modes - each teaches the same concept differently

More PowerShell Quizzes

Given this function, what will be the output when piping numbers 1 to 3?