list¶

commonly used comnmands

• l/rpush key val [val ...]: pushe value(s) onto the left/right end of the list

• l/rpop key: remove and return left/right most item from the list

• lindex key offset: return item at the given offset

• lrange key start end-incl: return items from start to end inclusive

• ltrim key start end-incl: trim the list to only include items between start and end inclusive

• lrem key n element: remove first n occurrences of elements: n>0:head->tail, n<0:tail->head, n=0:all

block pop and item move

• bl/rpop key- [key ...] timeout: pop left/right most item from first non-empty LIST, or wait timeout in seconds for an item

• rpoplpush src-key dest-key: pop right most item from source and lpush to dest, also return the item to the user

• rpoplpush src-key dest-key timeout: pop right most item from source and lpush to dest, also return to the user, and wait up to timeout if source is empty