How to make external link to a specific page/section in a E-book

[degn]

Is it possible (with html/php) to put a direct link on an external homepage that - when clicked - directs the user to a specifik page in a e-book? How?
Regards Dan

[thiago.eec]

Originally Posted by degn

Is it possible (with html/php) to put a direct link on an external homepage that - when clicked - directs the user to a specifik page in a e-book? How?
Regards Dan

According to EPUB specs, you could use CFI, but I don't know of any reader that implemented this feature. Calibre uses CFI, but I think it only works inside the book.

[kovidgoyal]

Sure if you use the viewer in the calibre content server, just copy paste the URL for any page of the book and you can use it as a direct link to that page.

And if you use the calibre viewer you can get it to open at any page by using the --open-at command line argument.

[thiago.eec]

The content server!

[duns]

I didn't manage to link an epub chapter neither from http://localhost nor from file:///mnt/my-path, even using "--open-at" as you suggested: what exactly should I do?
Thank you!

[kovidgoyal]

open the viewer controls, click go to, copy the location, use it with --open-at.

Or if you are opening the book from inside calibre, use https://manual.calibre-ebook.com/url...cific-position

[duns]

Originally Posted by kovidgoyal

open the viewer controls, click go to, copy the location, use it with --open-at.

Or if you are opening the book from inside calibre, use https://manual.calibre-ebook.com/url...cific-position

Thank you: but could you please tell me the correct syntax?
I tried this unsuccessfully (in the browser addressbar):
file:///my-path/my-file-name.epub%20--open-at%20epubcfi(/8/2/4/2/16/4/1:6)

"epubcfi(/8/2/4/2/16/4/1:6)" is the location inside the epub, found according to your instructions.

[kovidgoyal]

Open the book from within calibre, use the copy button in the viewer, the resulting address will work in a browser running on the same computer. If you want toacess it from a different computer you have to use the content server.

[duns]

Originally Posted by kovidgoyal

Open the book from within calibre, use the copy button in the viewer, the resulting address will work in a browser running on the same computer. If you want toacess it from a different computer you have to use the content server.

Yes, this way it works. But it is not possible open the link with the viewer, without call the calibre server?

[kovidgoyal]

How would you open a book on another computer without using a server of some kind?

[duns]

Originally Posted by kovidgoyal

How would you open a book on another computer without using a server of some kind?

In the same computer, I mean.
The fact is that I don't use calibre as server (as library), but only as editor and viewer.

EDIT

EUREKA!
this code works!
file:///my-path/my-fil-name.epub?open_at=epubcfi(/10/2/4/2/132/18/1:65)

Great Kovid! Thank you!

[duns]

Originally Posted by duns

In the same computer, I mean.
The fact is that I don't use calibre as server (as library), but only as editor and viewer.

EDIT

EUREKA!
this code works!
file:///my-path/my-fil-name.epub?open_at=epubcfi(/10/2/4/2/132/18/1:65)

Great Kovid! Thank you!

ops... the above code doesn't work any more (with the latest calibre release)

[duns]

Originally Posted by duns

ops... the above code doesn't work any more (with the latest calibre release)

More: ebook-viewer from terminal doesn't work at all, even in the same folder, and even the filename is without spaces.
I have Linux (KDE Neon, latest).

[kovidgoyal]

If the viewer is not working it will be because of broken graphics drivers. Update your GPU drivers or turn off hardware accelerationa s described in https://doc.qt.io/qt-6/qtwebengine-debugging.html