redis-list-test.sh

127.0.0.1:6379> lpush a 1
(integer) 1
127.0.0.1:6379> lpush a 2
(integer) 2
127.0.0.1:6379> rpush a 3
(integer) 3
127.0.0.1:6379> rpush a 4
(integer) 4

127.0.0.1:6379> lrange a 0 1
1) "2"
2) "1"
127.0.0.1:6379> lrange a 0 -1
1) "2"
2) "1"
3) "3"
4) "4"
127.0.0.1:6379> lindex a 3
"4"
127.0.0.1:6379> lindex a -1
"4"

127.0.0.1:6379> lpop a
"2"
127.0.0.1:6379> rpop a
"4"
127.0.0.1:6379> lrange a 0 -1
1) "1"
2) "3"

127.0.0.1:6379> rpush a 3
(integer) 3
127.0.0.1:6379> rpush a 4
(integer) 4
127.0.0.1:6379> ltrim a 0 2
OK
127.0.0.1:6379> lrange a 0 -1
1) "1"
2) "3"
3) "3"