13.5.3 BINARY Specifier (WNT, W9*)

The BINARY specifier asks whether a file is connected to a binary file. It takes the following form:

BINARY = bin

bin
Is a scalar default character variable that is assigned one of the following values:

'YES'	If the file is connected to a binary file
'NO'	If the file is connected to a nonbinary file
'UNKNOWN'	If the file is not connected