"Chris Gther" <cg_ / gmx.de> schrieb im Newsbeitrag news:42405416.5050603 / gmx.de... <snip/> > I dont see your point. I have to truncate after every write to ensure > the file size does not change. Where is the connection to the problem > that the read value does not match the written value ? I don't see the point either. :-} Sorry for the confusion, I overlooked that you used the other form of truncate with a length. Regards robert