From: Sam Smoot <ssmoot@...>
Date: 2006-10-27T03:30:14+09:00
Subject: Re: Ruby fs watcher?


Thomas Adam wrote:
> On Fri, Oct 27, 2006 at 03:10:42AM +0900, Jean-Etienne Durand wrote:
> > Hi,
> >
> > I wrote a script processing some files in a directory: each time there
> > is a new file in a given directory, I do something. So, my problem here
> > is to know when a new file arrived in the dir.
> > What I do now is to try to open the file in exclusive mode and do not
> > process the file if it fails, but polling just kills the cpu.
> >
> > I am wondering if somebody could explain me an elegant notification
> > solution?
>
> If you're using Linux, you can use dnotify (and the newer 'anotify'
> where applicable).  I have no idea how Windows would handle such a
> thing, if at all.
>
> -- Thomas Adam
>
> --
> "Wanting to feel; to know what is real.  Living is a lie." -- Purpoise
> Song, by The Monkees.

You'd used WMI in Windows, potentially through the WIN32OLE library, to
monitor for file events. The FileSystemWatcher class in .NET is just a
wrapper around this functionality.