echo "Are you sure you want to clear the collection '" . $collection . "'? (yes|no)\n";
$in = explode(' ', trim(fgets(STDIN)));
if ($in[0] != 'yes') {
echo "Aborted.\n";
break;
}
db_execute('delete from ' . $collection);
echo "Collection cleared.\n";
break;
case 'root':
if (!$collection) {
echo "Error: no collection in use.\n";
break;
}
if ($input[1]) {
$ns->root($input[1]);
} else {
echo $ns->root() . "\n";
}
break;
case 'addRoot':
if (!$collection) {
echo "Error: no collection in use.\n";
break;
} elseif (!$input[1]) {
echo "Error: no root ID specified.\n";
break;
}
array_shift($input);
$fields = array();
foreach ($input as $k => $v) {
