CleanupOldFiles.ps1

CleanupOldFiles.ps1

$folder = 'C:\Temp\', $env:TEMP, '~/Downloads'
$threshold = (Get-Date).AddMonths(-1.0)
$ConfirmPreference = 'Low'

$oldFiles = $folder | Get-ChildItem -File -Recurse | ?{ $_.LastAccessTime -lt $threshold }
$oldFiles | Sort-Object -Property Length -Descending | Select -First 25 Length, FullName
$oldFiles | Measure-Object -Property Length -Sum -Maximum -Minimum -Average
$oldFiles | Remove-Item -Force -Confirm

$emptyFolders = $folder | Get-ChildItem -Directory -Recurse `
  | ?{ $_.GetFiles().Count -eq 0 -and $_.GetDirectories().Count -eq 0 -and $_.CreationTime -lt $threshold }
  
$emptyFolders | Select FullName
$emptyFolders | Measure-Object
$emptyFolders | Remove-Item -Force -Recurse -Confirm