I've got a legacy system that I'm supporting. Currently there is a dot matrix printing a document from a parallel port. I need to split the print request, capture it in another device (I already have this device) but also allow the request to "continue" on to the printer.
Essentially I need one request to be sent to 2 devices and I need a "post-request" solution, I don't have any access to the source code, or even the computers (I've got physical access but not OS/Login access).