Compare-Array.ps1

function Compare-Array
{
  param(
    [array]$Ref,
    [array]$Diff
  )

  $max = [math]::Max($Ref.Length,$Diff.Length)

  for($i = 0; $i -lt $max; $i++){
    if($Ref[$i] -ne $Diff[$i]){
      [pscustomobject]@{ 
        Index = $i
        Left  = $Ref[$i]
        Right = $Diff[$i]
      }
    }
  }
}