HP Fortran Programmer's Reference

POSITION=character-expression
Table 10-39
HP Fortran statements
OPEN
specifies the position of an existing file to be opened for sequential access.
character-expression canbeoneofthefollowingarguments:
'ASIS' Leave file position unchanged
(default).
'REWIND' Position the file at its start.
'APPEND' Positionthefilejustbeforethe
end-of-file record.
RECL=integer-expression
STATUS=character-expression
Table 10-40
If the file to be opened does not exist, this specifier is ignored. New files are
always positioned at their start.
specifies the length of each record in a file to be opened for direct access. The
length is measured in characters (bytes). This specifier must be present
when a file is opened for direct access and is ignored if file is opened for
sequential access.
specifies the state of the file when it is opened. character-expression can
be one of the following arguments:
'OLD' Open an existing file. FILE=
must also be specified and the
named file must exist.
'NEW' Create a new file. FILE= must
also be specified and the named
file must not exist.
'UNKNOWN' If the file named in FILE=
exists, open it with the status of
OLD; ifitdoesnotexist,openit
with the status of NEW. Thisis
the default status.
Chapter 10 379