Dear all,

is that possible to read some binary files written by Fortran language in
a different language such as C++?

I read here:

http://www.math.utah.edu/software/c-with-fortran.html

that Fortran uses "records" which makes things hard for other programming
languages to process the bytes in some form of these records. However
since the document is from 2001 and I would like to turn to the group for
an advice or direction. Just curious...

Thx for the replies.

utab wrote:

"Possible", yes. A quick perusal of the contents of the link indicates
(to me) it is written w/ the the undergrad new programming student in
mind and so makes things that aren't necessarily so absolutes.

On Sep 3, 7:13 pm, utab gmail.com> wrote:

If you know the file and record structure, yes. Once you can read an
arbitrary number of bytes in as raw data, the rest is a programming
exercise. [Try it in Pascal with blockread, just for fun!]

On Wed, 03 Sep 2008 18:19:49 -0500, dpb wrote:

utab wrote:
...

As noted, that's the area that isn't transportable automagically but can
be worked out as noted.

utab wrote:

On most systems the records are indicated by a four byte
length field at the beginning, and on many by another
four byte length at the end of each record. (The latter
makes it easier to do BACKSPACE.)

Assuming you know the length, fread() four bytes and ignore
them, fread() the record (in one or multiple calls), and,
if needed fread() the record end marker.

double precision :: a = 2.458899, b= 132230.2323
open(unit=5, file = 'test.bin', form='unformatted')
write(5) a, b
close(5)

On Wed, 03 Sep 2008 16:53:58 -0800, glen herrmannsfeldt wrote:

On Sep 3, 5:39 pm, utab gmail.com> wrote:

All of the machines I work on are Unix/Linux (includes Max OS X), so
what I am about to say applies to these. I don't know anything about
doing Fortran in the Microsoft world.