+ $self->_sock_send_ok( 'RENAME' . ( $nx ? 'NX' : '' ), $old, $new );
+}
+
+=head2 dbsize
+
+ my $nr_keys = $r->dbsize;
+
+=cut
+
+sub dbsize {
+ my ( $self ) = @_;
+ $self->_sock_send('DBSIZE');
+}
+
+=head1 Commands operating on lists
+
+See also L<Redis::List> for tie interface.
+
+=head2 rpush
+
+ $r->rpush( $key, $value );
+
+=cut
+
+sub rpush {
+ my ( $self, $key, $value ) = @_;
+ $self->_sock_send_bulk('RPUSH', $key, $value);
+}
+
+=head2 lpush
+
+ $r->lpush( $key, $value );
+
+=cut
+
+sub lpush {
+ my ( $self, $key, $value ) = @_;
+ $self->_sock_send_bulk('LPUSH', $key, $value);
+}
+
+=head2 llen
+
+ $r->llen( $key );
+
+=cut
+
+sub llen {
+ my ( $self, $key ) = @_;
+ $self->_sock_send( 'LLEN', $key );
+}
+
+=head2 lrange
+
+ my @list = $r->lrange( $key, $start, $end );
+
+=cut
+
+sub lrange {
+ my ( $self, $key, $start, $end ) = @_;
+ $self->_sock_result_bulk_list('LRANGE', $key, $start, $end);
+}
+
+=head2 ltrim
+
+ my $ok = $r->ltrim( $key, $start, $end );
+
+=cut
+
+sub ltrim {
+ my ( $self, $key, $start, $end ) = @_;
+ $self->_sock_send_ok( 'LTRIM', $key, $start, $end );
+}
+
+=head2 lindex
+
+ $r->lindex( $key, $index );
+
+=cut
+
+sub lindex {
+ my ( $self, $key, $index ) = @_;
+ $self->_sock_result_bulk( 'LINDEX', $key, $index );
+}
+
+=head2 lset
+
+ $r->lset( $key, $index, $value );
+
+=cut
+
+sub lset {
+ my ( $self, $key, $index, $value ) = @_;
+ $self->_sock_send_bulk( 'LSET', $key, $index, $value );
+}
+
+=head2 lrem
+
+ my $modified_count = $r->lrem( $key, $count, $value );
+
+=cut
+
+sub lrem {
+ my ( $self, $key, $count, $value ) = @_;
+ $self->_sock_send_bulk_number( 'LREM', $key, $count, $value );
+}
+
+=head2 lpop
+
+ my $value = $r->lpop( $key );
+
+=cut
+
+sub lpop {
+ my ( $self, $key ) = @_;
+ $self->_sock_result_bulk( 'LPOP', $key );
+}
+
+=head2 rpop
+
+ my $value = $r->rpop( $key );
+
+=cut
+
+sub rpop {
+ my ( $self, $key ) = @_;
+ $self->_sock_result_bulk( 'RPOP', $key );
+}
+
+=head1 Commands operating on sets
+
+=head2 sadd
+
+ $r->sadd( $key, $member );
+
+=cut
+
+sub sadd {
+ my ( $self, $key, $member ) = @_;
+ $self->_sock_send_bulk_number( 'SADD', $key, $member );
+}
+
+=head2 srem
+
+ $r->srem( $key, $member );
+
+=cut
+
+sub srem {
+ my ( $self, $key, $member ) = @_;
+ $self->_sock_send_bulk_number( 'SREM', $key, $member );
+}
+
+=head2 scard
+
+ my $elements = $r->scard( $key );
+
+=cut
+
+sub scard {
+ my ( $self, $key ) = @_;
+ $self->_sock_send( 'SCARD', $key );
+}
+
+=head2 sismember
+
+ $r->sismember( $key, $member );
+
+=cut
+
+sub sismember {
+ my ( $self, $key, $member ) = @_;
+ $self->_sock_send_bulk_number( 'SISMEMBER', $key, $member );
+}
+
+=head2 sinter
+
+ $r->sinter( $key1, $key2, ... );
+
+=cut
+
+sub sinter {
+ my $self = shift;
+ $self->_sock_result_bulk_list( 'SINTER', @_ );
+}
+
+=head2 sinterstore
+
+ my $ok = $r->sinterstore( $dstkey, $key1, $key2, ... );
+
+=cut
+
+sub sinterstore {
+ my $self = shift;
+ $self->_sock_send_ok( 'SINTERSTORE', @_ );
+}
+
+=head1 Multiple databases handling commands
+
+=head2 select
+
+ $r->select( $dbindex ); # 0 for new clients
+
+=cut
+
+sub select {
+ my ($self,$dbindex) = @_;
+ confess dump($dbindex) . 'not number' unless $dbindex =~ m{^\d+$};
+ $self->_sock_send_ok( 'SELECT', $dbindex );
+}
+
+=head2 move
+
+ $r->move( $key, $dbindex );
+
+=cut
+
+sub move {
+ my ( $self, $key, $dbindex ) = @_;
+ $self->_sock_send( 'MOVE', $key, $dbindex );
+}
+
+=head2 flushdb
+
+ $r->flushdb;
+
+=cut
+
+sub flushdb {
+ my $self = shift;
+ $self->_sock_send_ok('FLUSHDB');
+}
+
+=head2 flushall
+
+ $r->flushall;
+
+=cut
+
+sub flushall {
+ my $self = shift;
+ $self->_sock_send_ok('flushall');
+}
+
+=head1 Sorting
+
+=head2 sort
+
+ $r->sort("key BY pattern LIMIT start end GET pattern ASC|DESC ALPHA');
+
+=cut
+
+sub sort {
+ my ( $self, $sort ) = @_;
+ $self->_sock_result_bulk_list( "SORT $sort" );
+}
+
+=head1 Persistence control commands
+
+=head2 save
+
+ $r->save;
+
+=cut
+
+sub save {
+ my $self = shift;
+ $self->_sock_send_ok( 'SAVE' );