Re: [Tracker] How to get newly added audio files?

[simon hong <simon hong81 gmail com>]

2011/3/28 Adrien Bustany <abustany gnome org>
> On Mon, 28 Mar 2011 13:52:24 +0900, simon hong wrote:
> > Dear Tracker folks,
> >
> > I want to write small  program by using tracker.
> > (I want to use tracker because tracker can add new files automatically.)
> >
> > That program loops infinitely, and gets newly added audio file list
> > from tracker.
> >
> > At first loop, it gets all audio files from tracker.
> > And next loop (maybe some hours later), it fetches new files (if new
> > audio files are created or copied).
> >
> > How can I get only new file list?
> >
> > Any ideas (timestamp ?) will be appreciated.
> >
> > Thank you.
> > Simon
>
> Hello Simon,

Hello Adrien,

> I guess you can use the tracker:modified or tracker:added properties here
> (I'd recommend tracker:modified, but am not sure how it's defined for newly
> saved resources).

Now, I use "SELECT nie:url(?u) WHERE {?u a nfo:Audio}" to get audio files.
I don't know how to use above properties (tracker:modified or
tracker:added)  for fetching newly added files.
Can you give some advice how to make sparql query for my purpose?
Or any documentation or guide for sparql will be appreciate.
> Note that instead of looping, you could also use the GraphUpdated signal to
> get updates in real time.

GraphUpdated signal is what I wanted ^^;
It works well :)

Thank you.
Simon
> Cheers
>
> Adrien
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