## Method cmd

### Use

$result = $session->cmd ($cmd_string);

cmd is a method of the class DBM. You use this method to send the DBM command specified under $cmd_string to the program DBM Server.

### Result

The result of the DBM command is returned.

If the DBM Server program registers an error, an exception of the class DBMServError is raised.

Specifying a valid DBM command

$result = session->cmd ('db_state');
print "$result\n";

Output:

State

OFFLINE

Specifying an invalid DBM command

$result = $session->cmd ('invalid command');
print "$result\n";

Output:

Error DBM Server: -24977 ERR_COMMAND: unknown command "invalid" at /opt/sapdb/misc/SAP/DBTech/dbm.pm line 89.

(See also: Method rawCmd)