HP Fortran Programmer's Reference (September 2007)

HP Fortran statements
INQUIRE
Chapter 10 381
READWRITE= character-variable
returns the following values, indicating whether or not reading and writing
are allowed actions for the file:
RECL= integer-variable
returns the record length of the specified unit or file, measured in bytes. The
file must be a direct-access file. If the file is not a direct-access file or does
not exist, integer-variable is undefined.
SEQUENTIAL= character-variable
returns the following values, indicating whether or not the file is connected
for direct access:
UNFORMATTED= character-variable
Table 10-24
'YES' Both reading and writing are
allowed for file.
'NO' Reading and writing are not
both allowed for file.
'UNKNOWN' It cannot be determined
whether or not reading and
writing are both allowed for file.
Table 10-25
'YES' File is connected for sequential
access.
'NO' File is not connected for
sequential access.
'UNKNOWN' It cannot be determined
whether or not file is connected
for sequential access.