I would think the names are always the same. On some programs like csound5 you can set the jack name. Others like pd appear as pure_data_x where x is the instance number. So if you always run the instances in the same order, you should have no problem. Cheers, Andres On Sat, 2005-07-16 at 02:36, Atte Andr? Jensen wrote: > Christoph Eckert wrote: > > > jack_lsp shows the ports, jack_connect connects them. > > Thanks. That helped. > > Now I'm wondering how predictable the names will be. If things are > connected from script the names should be the same every time. Any > inputs on this?