COMMAND

Returns information about registered server commands.

Syntax

COMMAND [subcommand [arguments]]

Subcommands

COMMAND

Returns information about all registered commands.

COMMAND

COMMAND INFO

Returns information about one or more specific commands.

COMMAND INFO [command ...]

Parameter	Type	Required	Description
command	string	No	One or more command names to query (returns all if omitted)

COMMAND COUNT

Returns the total number of registered commands.

COMMAND COUNT

COMMAND DOCS

Returns command documentation (not yet implemented).

COMMAND DOCS

Return Value

• COMMAND / COMMAND INFO: Array of arrays, one per command, each containing:

Position	Field	Type	Description
1	name	string	Command name (lowercase)
2	arity	integer	Number of arguments
3	flags	array	Command flags (e.g. readonly, fast)
4	first key	integer	Position of the first key argument
5	last key	integer	Position of the last key argument
6	step	integer	Key step interval
7	acl categories	array	ACL categories (prefixed with @)
8	tips	array	Command tips
9	key specifications	array	Key specification details
10	subcommands	array	Subcommand info (empty)

• COMMAND COUNT: Integer: total number of commands.
• COMMAND DOCS: Empty array (not yet implemented).

Behavior

Reads command metadata from the server’s command registry. For COMMAND and COMMAND INFO, builds a detailed array structure per command. COMMAND COUNT returns the total count of all registered commands.

This command does not require the cluster to be initialized.

Errors

Error	Condition
ERR	Unknown subcommand

Examples

Get command count:

127.0.0.1:5484> COMMAND COUNT
(integer) 42

Get info for PING:

127.0.0.1:5484> COMMAND INFO ping
1) 1) "ping"
   2) (integer) -1
   3) 1) "fast"
   4) (integer) 0
   5) (integer) 0
   6) (integer) 0
   7) 1) "@connection"
   8) (empty array)
   9) (empty array)
  10) (empty array)