Unable to exclude directory using Get-ChildItem -Exclude parameter in Powershell

Question

I am using Powershell v 2.0. and copying files and directories from one location to another. I am using a string[] to filter out file types and also need to filter out a dir

Answer 1

I use this to list files under a root but not include the directories

$files = gci 'C:\' -Recurse  | Where-Object{!($_.PSIsContainer)}