# INQUIRE: READWRITE Specifier

The READWRITE specifier asks whether a file can be both read and written to. It takes the following form:

READWRITE = rdwr

rdwr | Is a scalar default character variable that is assigned one of the following values:
'YES' | If the file can be both read and written to
'NO' | If the file cannot be both read and written to
'UNKNOWN' | If the processor cannot determine whether the file can be both read and written to

Parent topic: INQUIRE Statement Specifiers