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This extrinsic function verifies that a field in a specified file exists.
$$VFIELD^DILFD(FILE,FIELD)
FILE |
(Required) The number of the file or subfile in which the field to be checked exists. |
FIELD |
(Required) The number of the field to be checked. |
This Boolean function returns a 1 if the field exists in the specified file and a 0 if it does not exist.
>W $$VFIELD^DILFD(200,99999) 0
None
Reviewed/Updated: March 10, 2007