data list file 'a:\myclass.txt' records 1 /1 serial 1-2 v4 to v8 4-8 v10 to v12 10-12 v14 14 v16 to v20 16 - 20 sex 22 v24 24 age 26-27 metres 29-32 (2) feet 34 inches 36-37. execute .