p_b_turner wrote:

> Have an application written in C++ that currently writes 19k worth of
> formatted data to a file. Need to have a similar function that can
> write (and read) the data to (and from) a blob field in our database.

That should be really easy with IBPP:

http://www.ibpp.org

> is it easier to write the data to a temporary file, then back to the
> blob field?

Probably not. Depends what you find to be easy.

> I have come across mention of a blob stream writing
> interface, I think by Ann Harrison, but can't find an example.

'Stream' as in std::stream?

> would potentially be the best of both worlds, as i'm not looking
> forward to migrating all the fprintf's to binary data writes.

Perhaps you could write your own fprintf function that does what you
need and remove

#include "stdio.h"

from the file that uses it.

--
Milan Babuskov
http://www.guacosoft.com
http://www.flamerobin.org