[Nepomuk] Re: Search for specific file types

[Peter Hedlund]

Hello,

Thanks for the repsonse.

> The restarting of the search is a bug which I have not been able to
> figure out yet. :( I am aware of it though.

OK.

> As for searching by mimetype: we are still in need of a good query UI.
> For now you can try this:
> 
> mimetype="application/pdf"
> 
> Make sure that in Dolphin the "everywhere" and "content" buttons are
> pressed.

Does not work in Kubuntu Natty:

Could not start process Unable to create io-slave:
klauncher said: Unknown protocol ''.

And having to select "everywhere" defeats the purpose of being able to search 
a specific folder hierarchy, not the entire home folder.
 
> We should really invest some time in a proper search gui. It is a GSOc
> project btw...

Couldn't agree more, but I am too old for that kind of project.

Thanks,
Peter

> Cheers,
> Sebastian
> 
> On 04/04/2011 02:26 AM, Peter Hedlund wrote:
> > Hi all,
> > 
> > I see as my main use case for nepomuk the ability to create saved
> > searches/virtual folders for specific file types (mime types).
> > 
> > Example: locate all pdf files in a folder hierarchy.
> > 
> > The only way I have found that reliably works within Dolphin is to search
> > for *.pdf as a filename. It works, but is quite slow.
> > 
> > According to
> > http://techbase.kde.org/Development/Tutorials/Metadata/Nepomuk/QueryServi
> > ce it should be possible to search for mimeType or fileExtension. I have
> > not been able to figure out a syntax that actually works. Is it
> > possible? Would it be faster?
> > 
> > I can't help but compare with Spotlight on Mac OS X. Having a saved
> > search for the pdf file type within a hierarchy of folders is updated
> > almost instantaneously if some new files are added even if the total
> > number of files is more than a thousand. In Dolphin as described above
> > the search starts from scratch every time and it takes more than a
> > minute to locate 1100 files.
> > 
> > FYI, I am running a fully updated Kubuntu Natty.
> > 
> > Thanks for any input you might have.
> > 
> > Peter
> > 
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> 
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