Yes, your conclusion is essentially the same as I arrived at, and concequently I wrote a small program in Delphi that did exactly what I wanted, read a list of participants, generated the file I needed for each participant (a random subsample of a master data set for a statistics exam), and mailed it to each one. It works.
Lounge
Mail to students with individual attachments
This discussion has been locked so you can no longer reply to it.