mailmerge – Repeating text field substitution

The pack­age mailmerge pro­vides an in­ter­face to pro­duce text from a tem­plate, where fields are re­placed by ac­tual data, as in a database. The pack­age may be used to pro­duce sev­eral let­ters from a tem­plate, cer­tifi­cates or other such doc­u­ments. It al­lows ac­cess to the en­try num­ber, num­ber of en­tries and so on.