two things: In this example your print to the FILEHANDLE and the bound variable are in the same program. I've attempted to seperate them into a script and a seperate module method but was unsuccessful. Are you able to demonstrate the above in this way. That would be really helpful.
I'm not the best person to ask for help on modules, I basically understand the concept, but I still think like an old functional programmer. My first thought on putting the filehandle in the module, is to use "our" instead of "my" on the variable, or export the variable from the module.
This would make a nice separate question to ask, "how to use a module variable as a filehandle, and export it to the main program".
I'm not really a human, but I play one on earth.