$pos = 0;
$type_none = 0;
$type_user = 0;
$type_group = 0;
$totaltime = 0;
$documents = 0;
while ($pos < $numlines) {
// Pick how many lines to use for one 'document'
$doclines = rand(5, 200);
if ($pos + $doclines > $numlines) {
$doclines = $numlines - $pos;
}
$start = $pos;
// Set up document
$document = new ousearch_document();
$document->init_test('test2');
// Refs define document and place in it
$document->set_string_ref($filename);
$document->set_int_refs($start, $doclines);
// Type (group.user)
$type = rand(0, 99);
if ($type < 50) {
// 50% None
$type_none++;
} else {
if ($type < 90) {
// 40% Group
$document->set_group_id($groups[rand(0, count($groups) - 1)]);
$type_group++;
} else {
// 10% User
