Create empty structure extended file
| Field name | Type | Length | Decimals |
| FIELD_NAME | C | 10 | 0 |
| FIELD_TYPE | C | 1 | 0 |
| FIELD_LEN | N | 3 | 0 |
| FIELD_DEC | N | 3 | 0 |
// CREATE a new structure extended file, append some records and
// then CREATE FROM this file a new database file
CREATE template
APPEND BLANK
FIELD->FIELD_NAME := "CHANNEL"
FIELD->FIELD_TYPE := "N"
FIELD->FIELD_LEN := 2
FIELD->FIELD_DEC := 0
APPEND BLANK
FIELD->FIELD_NAME := "PROGRAM"
FIELD->FIELD_TYPE := "C"
FIELD->FIELD_LEN := 20
FIELD->FIELD_DEC := 0
APPEND BLANK
FIELD->FIELD_NAME := "REVIEW"
FIELD->FIELD_TYPE := "C" // this field is 1000 char long
FIELD->FIELD_LEN := 232 // 1000 % 256 = 232
FIELD->FIELD_DEC := 3 // 1000 / 256 = 3
CLOSE
CREATE TV_Guide FROM template