2011/3/28 Adrien Bustany <[email protected]>
>
> 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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