How to retrieve a recursive directory and file list from powershell excluding some files and folders?
Get-ChildItem -Recurse .targetdir -Exclude *.log |
  Where-Object { $_.FullName -notmatch '\excludedir($|\)' }

Get-ChildItem -Recurse .targetdir -Exclude *.log |
  Where-Object { $_.FullName -notmatch '\excludedir($|\)' }