"Comments are closed" says everything. The if ($null -ne $blah) one is STILL RELEVANT. In PowerShell for example it differentiates between an empty array and e

"Comments are closed" says everything. The if ($null -ne $blah) one is STILL RELEVANT. In PowerShell for example it differentiates between an empty array and either retrieving an array's contents, or only the nulls from an array.