How to identify the Port # my Shareplex (or sp_cop) is running on? (4298327)

It is important to determine the port # on which the current instance of Shareplex is running, especially when running many Shareplex instances on a server. Determining the correct port # can ensure that there is no overstepping of Shareplex instances when launching Shareplex. The port number is the easiest way to relate to a Shareplex instance since it is a numerical entity as opposed to the variable directory which has the Unix path as its value (Shareplex instance is uniquely identified by the port # and the value of vardir as defined by the environment variable SP_SYS_VARDIR).