Kevin writes: "There is a new release of the YAZ  toolkit . YAZ is a C/C++ programmer's toolkit supporting the development of Z39.50v3 clients and servers. In the release, there is a new ZOOM function, ZOOM_connection_last_event, that returns type of last event (such as "receive data", "send data", "apdu received", etc.) and two new YAZ client commands: . (dot, which sources a script of YAZ client commands), and ! (to execute shell command)."