xmlrpc - get topics of same type [closed]

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Hello, I'm trying to find the topics a common type. I've been doing some research and I found that, to use the "rostopic find " inside a program I need to use the XMLRPC slave/master. But i can't find anywhere more documentation about it. I've just found this one: http://wiki.ros.org/ROS/Master_API . I'd like to know if someone knows where I can find more exemples and information about how I can use it.

Thanks!