# INQUIRE: BLANK Specifier

The BLANK specifier asks what type of blank control is in effect for a file. It takes the following form:

BLANK = blnk

blnk | Is a scalar default character variable that is assigned one of the following values:
'NULL' | If null blank control is in effect for the file
'ZERO' | If zero blank control is in effect for the file
'UNDEFINED' | If the file is not connected, or it is not connected for formatted data transfer

Parent topic: INQUIRE Statement Specifiers