Re: Monitor opened files

FROM : Philip Q
DATE : Sun Apr 29 15:20:29 2007

On 29/04/07, Sherm Pendley <<email_removed>> wrote:
> On Apr 29, 2007, at 7:08 AM, Philip Q wrote:
>
> > On 29/04/07, Daniel <daniel.<email_removed>> wrote:
> >> it is the first time I work with Cocoa and I wanted to know if there
> >> is a way to launch a second application from the running one (and for
> >> that I have found something) _and_ additionally being able to montior
> >> this process/application in such a way to know exactly which file it
> >> has opened for writing, which one he has created.
> >>
> >
> > Creating a child process is pretty simple using NSTask (although, is
> > there a specific reason you want to use a child process and not a
> > thread?).
> >
> > However, getting a list of the open files is not a trivial task
>
> Just use the aforementioned simple NSTask to run 'lsof'. :-)
>


Well... yes. But, I've always considered doing that to be a bit of a
hack, especially when there's a more robust path available (albeit,
confusing and complicated).

> Or, if you know *where* the files will be opened, just watch that
> directory with kqueue.
>


Or a Spotlight query, which has the added benefit of being in Cocoa.

-Phil