$obj = tie %packages, 'DB_File', "$DBDIR/packages_small.db",
O_RDONLY, 0666, $DB_BTREE
or die "couldn't tie DB $DBDIR/packages_small.db: $!";
$obj = tie %packages, 'DB_File', "$DBDIR/packages_small.db",
O_RDONLY, 0666, $DB_BTREE
or die "couldn't tie DB $DBDIR/packages_small.db: $!";