redis list操作
redis 127.0.0.1:6379> lpush program java(integer) 1
redis 127.0.0.1:6379> lpush program javascript
(integer) 2
redis 127.0.0.1:6379> lpush program javascript ruby
(integer) 4
redis 127.0.0.1:6379> llen program
(integer) 4
redis 127.0.0.1:6379> ltrim program 0 -1
OK
redis 127.0.0.1:6379> lrange program 0 -1
1) "ruby"
2) "javascript"
3) "javascript"
4) "java"
redis 127.0.0.1:6379> lpush program html
(integer) 5
redis 127.0.0.1:6379> lrange program 0 -1
1) "html"
2) "ruby"
3) "javascript"
4) "javascript"
5) "java"
redis 127.0.0.1:6379> rpush program redis
(integer) 6
redis 127.0.0.1:6379> lrange program 0 -1
1) "html"
2) "ruby"
3) "javascript"
4) "javascript"
5) "java"
6) "redis"
redis 127.0.0.1:6379> ltrim program 0 4
OK
redis 127.0.0.1:6379> llen program
(integer) 5
redis 127.0.0.1:6379> lrange program 0 -1
1) "html"
2) "ruby"
3) "javascript"
4) "javascript"
5) "java"
redis 127.0.0.1:6379> lrem program 1 javascript
(integer) 1
redis 127.0.0.1:6379> lrange 0 -1
(error) ERR wrong number of arguments for 'lrange' command
redis 127.0.0.1:6379> lrange program 0 -1
1) "html"
2) "ruby"
3) "javascript"
4) "java"
redis 127.0.0.1:6379> rpush program java
(integer) 5
redis 127.0.0.1:6379> lrange program 0 -1
1) "html"
2) "ruby"
3) "javascript"
4) "java"
5) "java"
redis 127.0.0.1:6379> lrem program 0 java
(integer) 2
redis 127.0.0.1:6379> llen program
(integer) 3
redis 127.0.0.1:6379> lpush program ruby
(integer) 4
redis 127.0.0.1:6379> lrange program 0 -1
1) "ruby"
2) "html"
3) "ruby"
4) "javascript"
redis 127.0.0.1:6379> lrem program -1 ruby
(integer) 1
redis 127.0.0.1:6379> lrange program 0 -1
1) "ruby"
2) "html"
3) "javascript"
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