$a[0]='Root'
$a[1][0][0]='Sub Directory'
$a[1][0][1][0][0]='Very Sub Directory'
$a[1][0][1][0][1][0][0]='a file'
$a[1][0][0][1][0]='Another Very Sub Directory'
$a[1][0][0][2][0]='just a file'
$a[1][1][0]='Stuff'
$a[1][1][1][0][0]='with stuff'
$a[1][1][1][1][0]='more stuff'