PowerShell script that changes the permissions of files of a directory, granting `FullAccess` to the `BUILTIN\Administrators`.

GrantFullAccess.ps1

if ($Args)
{
	$dir = $Args[0] -Join " "
	$input = Read-Host -Prompt "Are you sure you want to execute the fixing on ``$($dir)`` ? [y:N]"

	if ($input -like "y")
	{
		$files = Get-Childitem $Args[0] -recurse | where {! $_.PSIsContainer}
		foreach ($file in $files)
		{
			$acl = Get-Acl $file.fullName
			$AccessRule = New-Object System.Security.AccessControl.FileSystemAccessRule("BUILTIN\Administrators","FullControl","Allow")
			$acl.SetAccessRule($AccessRule)
			$acl | Set-Acl $file.fullName
		}
	}
}