On 2013-07-26 13:35, Florent Monnier wrote:

I would like to know how to truncate a file under MS/Windows.
When I use any of the functions Unix.(LargeFile.)[f]truncate I get
these exceptions:

Exception: Invalid_argument "Unix.truncate not implemented".
Exception: Invalid_argument "Unix.LargeFile.ftruncate not implemented".

1) I thought that the module Unix only contains portable things for
Windows, so it's not true?

Well, reading http://caml.inria.fr/pub/docs/manual-ocaml/libref/Unix.html I see:
Interface to the Unix system

It seems pretty clear to me...

-- 
RMA.