how does the kobo make it's "table of contents"

soup · 08-15-2010, 03:40 PM

I'm playing around with the TOC.ncx file in an ePub and I can't seem to make parts of the "table of contents" go away when I access them in the kobo.

does the kobo actually use the TOC.ncx file? or does it generate it's own table of contents?

tpw · 08-15-2010, 06:16 PM

I would have thought that the Kobo was using the toc.ncx file, since it's the standard for epub. If you have no joy, try editing your epub in sigil, which will allow you to remove toc entries.

Stinger · 08-15-2010, 09:37 PM

The Kobo does use the toc.ncx file. My guess is that you're editing a file from the Kobo memory that's already been processed, right? The Kobo caches TOC data when it first processes the file.

Remove the epub from the Kobo, unplug, replug, and add the file again (just need to force the Kobo to reprocess that epub).

soup · 08-16-2010, 11:13 AM

I've edited the TOC using sigil, and also when I plug in the kobo, I navigate to the ePub file (in question) on the device and open it with winRAR, then I navigate to the TOC.ncx file and examine it, and the file only consists of entries I've deligated in sigil to be there.

however when I look in the table of contents on the kobo after it's processed the file, every line I have in the ePub file (in question) that uses the "heading" font size; appears interlaced with the ones in the TOC.ncx file.

pholy · 08-16-2010, 11:32 AM

I think that the Kobo only looks to see if it has a file of the same name in its database, and then skips the file. It does not remove missing book files from its database -- a nasty bug, IMO. As I recall, if you change the filename when you put it back on the Kobo, it will scan the new file. Or you can use one of the sqlite tools to remove the offending database entries.

soup · 08-17-2010, 10:24 PM

plugged the kobo in.

navigated to the file.

changed it's name.

that did it.

lets hope that gets fixed in a future firmware update...

08-15-2010, 03:40 PM	#1
soup Member Posts: 24 Karma: 10 Join Date: Jul 2010 Device: Kobo	how does the kobo make it's "table of contents" I'm playing around with the TOC.ncx file in an ePub and I can't seem to make parts of the "table of contents" go away when I access them in the kobo. does the kobo actually use the TOC.ncx file? or does it generate it's own table of contents?

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08-15-2010, 06:16 PM	#2
tpw Zealot Posts: 107 Karma: 250 Join Date: Jul 2010 Location: Brisbane, Australia Device: Kobo, Sony PRS650	I would have thought that the Kobo was using the toc.ncx file, since it's the standard for epub. If you have no joy, try editing your epub in sigil, which will allow you to remove toc entries.

08-15-2010, 09:37 PM	#3
Stinger Asha'man Posts: 335 Karma: 844 Join Date: May 2010 Location: Canada Device: Kobo	The Kobo does use the toc.ncx file. My guess is that you're editing a file from the Kobo memory that's already been processed, right? The Kobo caches TOC data when it first processes the file. Remove the epub from the Kobo, unplug, replug, and add the file again (just need to force the Kobo to reprocess that epub).

08-16-2010, 11:13 AM	#4
soup Member Posts: 24 Karma: 10 Join Date: Jul 2010 Device: Kobo	I've edited the TOC using sigil, and also when I plug in the kobo, I navigate to the ePub file (in question) on the device and open it with winRAR, then I navigate to the TOC.ncx file and examine it, and the file only consists of entries I've deligated in sigil to be there. however when I look in the table of contents on the kobo after it's processed the file, every line I have in the ePub file (in question) that uses the "heading" font size; appears interlaced with the ones in the TOC.ncx file.

08-16-2010, 11:32 AM	#5
pholy Booklegger Posts: 1,801 Karma: 7999816 Join Date: Jun 2009 Location: Toronto, Ontario, Canada Device: BeBook(1 & 2010), PEZ, PRS-505, Kobo BT, PRS-T1, Playbook, Kobo Touch	I think that the Kobo only looks to see if it has a file of the same name in its database, and then skips the file. It does not remove missing book files from its database -- a nasty bug, IMO. As I recall, if you change the filename when you put it back on the Kobo, it will scan the new file. Or you can use one of the sqlite tools to remove the offending database entries.

08-17-2010, 10:24 PM	#6
soup Member Posts: 24 Karma: 10 Join Date: Jul 2010 Device: Kobo	plugged the kobo in. navigated to the file. changed it's name. that did it. lets hope that gets fixed in a future firmware update...

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