# my($host) = $config{'db'}{'db_host_name'};
# my($db) = $config{'db'}{'db_name'};
# my($user) = $config{'db'}{'db_user'};
# my($pw) = $config{'db'}{'db_pw'};
# my ($host,$db,$user,$pw) = ($config{qw(db_host_name db_name db_user db_pw)});
# my $dbh = vol::connect_new(@{$config{'db'}{qw(db_host_name db_name db_user db_pw)}});

# etc., etc., etc. 

1;