# simple recursive sub
sub create_users {
my $user_href = shift;
my $userId = shift;

if(defined $user_href->{$userId} and $user_href->{$userId} != 0) {
create_users($user_href, $userId);
} else {
return;
}

# now write the user to the db
write_user_to_db($user_href, $userId

}