EPUB page counts

arslonga · 12-14-2017, 08:56 AM

Good day.

I understand that, when reading EPUBs, a page is considered to be 1024 characters. I was wondering if there is a way to override this setting and make every screen be counted as a separate page. I know, I know ... when changing font sizes and devices this number of fictitious pages will also change, but it is good enough for my purposes. Thank you for your attention.

davidfor · 12-14-2017, 09:09 AM

The kepub reader does that for the pages. Plus the the page count is done per chapter rather than for the whole book. And it has some nice extra stats displays.

You can sideload books as kepubs using calibre with the KoboTouchExtended driver or convert them first with the Kepub Output plugin. Or there is a standalone program to do it. I think it is called "kepubify". There is a thread here to discuss it.

JSWolf · 12-14-2017, 10:11 AM

kepubify does not currently work with Windows.

geek1011 · 12-14-2017, 01:58 PM

Yes, I made kepubify, but as JSWolf said, it does not work on Windows ATM. There is an unknown issue repacking the zip, where the container.xml is not readable by the Kobo.

I may make a hosted version of the converter which has an API once I sort out some possible security issues with the book extraction.

The thing about the conversion issues is that they only appear some of the time with certain books. On Linux and macOS, it works fine though, and I use it (since July, when I released the first working version) without problems for my ~2000 book collection.

I would greatly appreciate help with this issue. I have figured out that the issue is occuring during the repacking of the Epub, as packing manually with 7-zip from the temp folder works fine. I may just use libarchive, or call 7z from kepubify.

DNSB · 12-14-2017, 05:02 PM

Quote:

Originally Posted by arslonga

Good day.

I understand that, when reading EPUBs, a page is considered to be 1024 characters. I was wondering if there is a way to override this setting and make every screen be counted as a separate page. I know, I know ... when changing font sizes and devices this number of fictitious pages will also change, but it is good enough for my purposes. Thank you for your attention.

It's not just 1024 characters, it's 1024 compressed characters in each resource. This is buried in the code for the Adobe RMSDK and is not going to be easily modifiable.

You could convert your epubs to kepub as the ACCESS renderer does a page per screen by default making the page numbers pretty much useless.

geek1011 · 12-14-2017, 05:43 PM

Quote:

Originally Posted by JSWolf

kepubify does not currently work with Windows.

I just fixed the kepubify conversion issues in Windows!

It was due to the windows path separators not conforming to the zip spec

.

JSWolf · 12-14-2017, 06:47 PM

Quote:

Originally Posted by geek1011

I just fixed the kepubify conversion issues in Windows!

It was due to the windows path separators not conforming to the zip spec

.

Well done!

geek1011 · 12-14-2017, 07:11 PM

Quote:

Originally Posted by JSWolf

Well done!

Thanks! I think it'll take me a while to forget

about

how

stupid

this

issue

was

(I can't believe it took me this long to realize).

DNSB · 12-15-2017, 12:07 AM

Quote:

Originally Posted by geek1011

Thanks! I think it'll take me a while to forget

about

how

stupid

this

issue

was

(I can't believe it took me this long to realize).

Careful with those smacks! Even self-induced concussions are painful.

geek1011 · 12-15-2017, 09:15 AM

Quote:

Originally Posted by DNSB

Careful with those smacks! Even self-induced concussions are painful.

Yes hahaha!

Ksquared · 12-19-2017, 10:51 PM

Quote:

Originally Posted by geek1011

Thanks! I think it'll take me a while to forget

about

how

stupid

this

issue

was

(I can't believe it took me this long to realize).

http://weknowmemes.com/2012/09/the-t...ming-problems/

Been there, done that!

12-14-2017, 08:56 AM	#1
arslonga Connoisseur Posts: 55 Karma: 10 Join Date: Jul 2011 Device: none	EPUB page counts Good day. I understand that, when reading EPUBs, a page is considered to be 1024 characters. I was wondering if there is a way to override this setting and make every screen be counted as a separate page. I know, I know ... when changing font sizes and devices this number of fictitious pages will also change, but it is good enough for my purposes. Thank you for your attention.

12-14-2017, 01:58 PM	#4
geek1011 Wizard Posts: 2,496 Karma: 5071002 Join Date: May 2016 Location: Ontario, Canada Device: Kobo Mini, Aura Edition 2 v1, Clara HD	Yes, I made kepubify, but as JSWolf said, it does not work on Windows ATM. There is an unknown issue repacking the zip, where the container.xml is not readable by the Kobo. I may make a hosted version of the converter which has an API once I sort out some possible security issues with the book extraction. The thing about the conversion issues is that they only appear some of the time with certain books. On Linux and macOS, it works fine though, and I use it (since July, when I released the first working version) without problems for my ~2000 book collection. I would greatly appreciate help with this issue. I have figured out that the issue is occuring during the repacking of the Epub, as packing manually with 7-zip from the temp folder works fine. I may just use libarchive, or call 7z from kepubify. Last edited by geek1011; 12-14-2017 at 02:00 PM.

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12-14-2017, 09:09 AM	#2
davidfor Grand Sorcerer Posts: 23,225 Karma: 41975128 Join Date: Jul 2011 Location: Sydney, Australia Device: Kobo:Touch,Glo, AuraH2O, GloHD,AuraONE, ClaraHD, Libra H2O; tolinoepos	The kepub reader does that for the pages. Plus the the page count is done per chapter rather than for the whole book. And it has some nice extra stats displays. You can sideload books as kepubs using calibre with the KoboTouchExtended driver or convert them first with the Kepub Output plugin. Or there is a standalone program to do it. I think it is called "kepubify". There is a thread here to discuss it.

12-14-2017, 10:11 AM	#3
JSWolf Resident Curmudgeon Posts: 64,324 Karma: 104254653 Join Date: Nov 2006 Location: Roslindale, Massachusetts Device: Kobo Aura H2O, PRS-650, PRS-T1, nook STR, iPad 4, iPhone SE 2020, PW3	kepubify does not currently work with Windows.