A sample file input
20000001048439008148500701 Microso
3001Graham
6001000014Aug102007336PM1 Strongman
6001000014Aug102007336PM2
6001000014Aug102007336PM3
6001000014Aug102007336PM4
800000010000000011000000288.80000000000.00000000001
20000002048439008148003045
3001Mark
6001000014Aug102007336PM12 Avery
3001Talbot
6001000014Aug102007336PM14 Menear
800000010000000011000000288.80000000000.00000000001
20-> header 80>trailer 30->record type 160-> record type2