HP Fortran Programmer's Reference (September 2007)

HP Fortran statements
INQUIRE
Chapter 10 377
returns the following values, indicating the character to use (if any) to
delimit character values in list-directed and namelist formatting:
DIRECT= character-variable
returns the following values, indicating whether or not the file is connected
for direct access:
ERR= stmt-label
specifies the label of the executable statement to which control passes if an
error occurs during statement execution.
EXIST= logical-variable
returns the following values, indicating whether or not the file or unit exists:
Table 10-14
'APOSTROPHE' An apostrophe is used as the
delimiter.
'QUOTE' The double quotation mark is
used as the delimiter.
'NONE' There is no delimiting
character.
'UNDEFINED' File is not connected for
formatted I/O.
Table 10-15
'YES' File is connected for direct
access.
'NO' File is not connected for direct
access.
'UNKNOWN' It cannot be determined
whether or not file is connected
for direct access.
Table 10-16
'TRUE' File exists or unit is connected.