Using "Unix.stat" works perfectly for my purpose!   On both platforms,
hurray!    THANK YOU!

On 10/22/07, Karl Zilles <zilles@1969web.com> wrote:
>
> Orlin Grigorov wrote:
> > Oh, here's another idea---every certain amount of time, I just compare
> > my last saved version of the file to the current one---if different,
> > there's my event.   What do you think?
>
> Just stat it.  You can stat it every second and never notice any
> performance issue.  In fact you can stat a whole directory of files
> every second and never notice.  It'll work cross platform, and it's easy:
>
> let modtime file =
>          let filedata = Unix.stat file in
>          filedata.Unix.st_mtime
>
>
> In a loop, compare the modtime to the previous modtime, then
> Unix.sleep 1;
>