BRPOPLPUSH
Moves the source's rightmost element to the destination's left end, waiting when necessary.
Lists · Example verified
Syntax covered here
BRPOPLPUSH source destination timeout-secondsThe tested timeout accepts fractional seconds; a missing source results in null when the wait expires.
Tested example & replies
Requests below run in order against an empty database. Each connection authenticates with the fixture password first. Quoted values are strings; null is a nil reply; arrays preserve RESP order.
# connection: default
> RPUSH queue a b c
3
# connection: default
> BRPOPLPUSH queue destination 0.1
"c"
# connection: default
> BRPOPLPUSH missing-list destination 0.1
null