A simple command tool to test ZMQ pub-sub and push-pull sockets.
zmcat pub tcp://*:5555
zmcat sub tcp://localhost:5555
zmcat pub tcp://*:5555 mykey
zmcat sub tcp://localhost:5555 mykey
zmcat push tcp://localhost:5555
zmcat pull tcp://*:5555
Gísli Kristjánsson (gislik): multipart messages