.DM         THIS PROGRAM WILL PRODUCE A MAILING LIST IN A 
.DM         SINGLE-LINE FORMAT.  THE DATA MUST BE AS FOLLOWS:
.DM 
.DM <record #>,<name>,<address>,<city>,<state>,<zip>,<open>,<close>
.DM
.AV "NAME OF DATA FILE? ",datafilename
.DF &datafilename&
.FI MLLINE.FMT