Dave Newton <newton.dave@(protected):

> --- Vinod Kumar <vkmatri@(protected):
> > [...] before uploading, I want to make sure that
> file
> > is not in open state.
>
> I know of no way you can do this, although there may
> be some Javascript treachery. Your code is not being
> executed on the client; it does not have access to
> file system statii.
>

Even Javascript cannot read files on your hard-disk. Use an applet perhaps
(if you are too paranoid)?