3 Cmdlets Hackerrank Solution: Powershell

# Add defensive check $data = Import-Csv .\employees.csv | Where-Object $_.YearsOfExperience -ge 2 if (-not $data) Write-Host "No eligible employees"; exit # then continue... But if they disallow if , use Select-Object with -Skip trickery or rely on Format-Table to output nothing. CSV imports all values as strings. Convert to int before sorting:

| Select-Object Department, @Name="AverageSalary"; Expression= Measure-Object Salary -Average).Average Let's assume the CSV file employees.csv looks like this: powershell 3 cmdlets hackerrank solution

If you have landed on the "PowerShell 3 Cmdlets" challenge on HackerRank, you are likely staring at a problem that demands more than just scripting intuition. It requires a specific understanding of how PowerShell v3 (and later) handles pipelines, object manipulation, and filtering. # Add defensive check $data = Import-Csv

Good luck, and may the pipeline be with you! Convert to int before sorting: | Select-Object Department,

$avgSalary = $grouped.Group | Measure-Object Salary -Average Creates new columns on-the-fly.

Import-Csv .\employees.csv | Where-Object $_.YearsOfExperience -ge 2 | Sort-Object Salary -Descending | Select-Object -First 3 | Group-Object Department | Select-Object @N="Department";E=$_.Name, @N="AverageSalary";E= [math]::Round(($_.Group | Sort-Object Department | Format-Table -AutoSize