Re: [Tracker] tracker files with rm/rmvb extension

[Adrien Bustany <abustany gnome org>]

On Wed, 01 Jun 2011 15:16:33 +0800, yinxb wrote:
> Hi
>
> another question,the following query can get uris that contain "rm"
> It seems '.' take no effect in \".rm \"
> Anyone can give me a hint?
>
> ----------------
> "SELECT nie:url(?video) WHERE{"
> "?video a nfo:FileDataObject"
> " .FILTER regex(nie:url(?video), \".rm\")"
> "}";
> ----------------

Yes, the "." means "anything" in regex language... Btw, you probably
want to filter on the mimetype rather than the extension. And if you
really want to filter on the extension, I'd rather recommend something
like FILTER(fn:ends-with(nie:url(?video), ".rm")).

Cheers

Adrien

> å 2011-06-01äç 15:10 +0900ïsimon hongåéï
> > Hi,
> >
> >
> > I used to use following query to get mp3 files containing "Bobby"
> > word.
> > SELECT nie:url(?u) WHERE { ?u a nmm:MusicPiece FILTER
> > regex( nie:url(?u),\"Bobby\")
> >
> >
> > If you use rmvb instead of Bobby, you can get files containg "rmvb"
> > word.
> >
> >
> > On Wed, Jun 1, 2011 at 10:21 AM, yinxb <yinxb neusoft com> wrote:
> >         Hi
> >
> >           I am new to Tracker,now I need to tracker files with 
> > rm/rmvb
> >         extension,the sparql is as followed:
> >         ------------------------
> >         static const QString SqlGetAllVideosWithExtension
> >         =
> >         "SELECT nie:url(?video) WHERE{"
> >                          "nfo:FileDataObject ?video "
> >         " .FILTER regex(nie:url(?video), \"^rmvb\")"
> >         "}";
> >         -------------------------
> >         but I cannot get any result.
> >
> >         Can anyone give me some hint?
> >
> >         Thanks.
> >
> >         
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