The Unmap statement disables field value mapping specified by a previous Map … Using statement for subsequently loaded fields.
Syntax:
Unmap *fieldlist
Arguments:
| Argument | Description |
|---|---|
| *fieldlist | a comma separated list of the fields that should no longer be mapped from this point in the script. Using * as field list indicates all fields. The wildcard characters * and ? are allowed in field names. Quoting of field names may be necessary when wildcards are used. |