In PowerShell and many languages, an array is a set of items all represented by a single variable. To explain arrays and how to manage them in PowerShell, let's start with the example of a set of ...

Odds are that anyone writing a script will know the number of columns in the array that's passed. But is there a way that Powershell can get the number of columns on its own?

This seems like PowerShell is simply adding an item to the end of the array but in reality, it's destroying the array and creating a brand new one with the item appended. Adding items to an array is ...