You can use a WDL file for that. For instance, create a file "bind.wdl" with a file list, like this:

BIND "file1.mdl";
BIND "sound.ogg";
... etc.

Then run a batch file to create the WRS:

wed -r bind.wdl

Of course, only the Pro Edition can create WRS files, so you must do that, not the end uer.