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Old 10-08-2023, 10:18 AM   #1
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Single-instance viewer override
Is there a parameter to disregard "allow only a single instance of the viewer" and open a second instance?
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Old 10-08-2023, 10:45 AM   #2
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No, there isnt.
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Old 10-08-2023, 11:08 AM   #3
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cats,
I use the Content server to view additional books rather than remove the tick and restart.
The Editor (preview) is also allowed without that change (just don't save ).
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Old 10-08-2023, 04:30 PM   #4
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Use a different viewer, viz:

Click image for larger version Name: Screenshot 2023-10-09 072827.jpg Views: 158 Size: 69.0 KB ID: 204193

BR
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Old 10-22-2023, 03:23 AM   #5
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arpeggioaccele exercises by bench pressing the entire Harry Potter series in hardcoverarpeggioaccele exercises by bench pressing the entire Harry Potter series in hardcoverarpeggioaccele exercises by bench pressing the entire Harry Potter series in hardcoverarpeggioaccele exercises by bench pressing the entire Harry Potter series in hardcoverarpeggioaccele exercises by bench pressing the entire Harry Potter series in hardcoverarpeggioaccele exercises by bench pressing the entire Harry Potter series in hardcoverarpeggioaccele exercises by bench pressing the entire Harry Potter series in hardcoverarpeggioaccele exercises by bench pressing the entire Harry Potter series in hardcoverarpeggioaccele exercises by bench pressing the entire Harry Potter series in hardcoverarpeggioaccele exercises by bench pressing the entire Harry Potter series in hardcoverarpeggioaccele exercises by bench pressing the entire Harry Potter series in hardcover
 
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Device: I use the Calibre ebook-viewer on macos and Apple Books on ios.
Is there a way to do the opposite? When I open a epub from outside calibre and there's already an instance of the viewer, the viewer switches to the new file.

I would like a new instance to be opened whenever I open a epub file using the viewer, when I don't open from calibre.
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Old 10-22-2023, 12:06 PM   #6
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Quote:
Originally Posted by arpeggioaccele View Post
Is there a way to do the opposite? When I open a epub from outside calibre and there's already an instance of the viewer, the viewer switches to the new file.

I would like a new instance to be opened whenever I open a epub file using the viewer, when I don't open from calibre.
Make a ebook-viewer shortcut with this switch
Code:
--new-instance

    Open a new viewer window even when the option to use only a single viewer window is set
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Old 10-22-2023, 01:00 PM   #7
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Yes, Kovid implemented it after I requsted it. It's useful sometimes
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Old 10-22-2023, 06:28 PM   #8
arpeggioaccele
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arpeggioaccele exercises by bench pressing the entire Harry Potter series in hardcoverarpeggioaccele exercises by bench pressing the entire Harry Potter series in hardcoverarpeggioaccele exercises by bench pressing the entire Harry Potter series in hardcoverarpeggioaccele exercises by bench pressing the entire Harry Potter series in hardcoverarpeggioaccele exercises by bench pressing the entire Harry Potter series in hardcoverarpeggioaccele exercises by bench pressing the entire Harry Potter series in hardcoverarpeggioaccele exercises by bench pressing the entire Harry Potter series in hardcoverarpeggioaccele exercises by bench pressing the entire Harry Potter series in hardcoverarpeggioaccele exercises by bench pressing the entire Harry Potter series in hardcoverarpeggioaccele exercises by bench pressing the entire Harry Potter series in hardcoverarpeggioaccele exercises by bench pressing the entire Harry Potter series in hardcover
 
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Thanks! I'll look into it, hopefully it works!

I remembered doing something like this for Minecraft once, but that was on Windows.

I'm on Mac, so I think I can do it in Automator using a shell script, then set that shortcut as the application I want to use to open epub files— maybe?
Last edited by arpeggioaccele; 10-22-2023 at 06:50 PM.
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Old 11-05-2023, 09:28 PM   #9
arpeggioaccele
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arpeggioaccele exercises by bench pressing the entire Harry Potter series in hardcoverarpeggioaccele exercises by bench pressing the entire Harry Potter series in hardcoverarpeggioaccele exercises by bench pressing the entire Harry Potter series in hardcoverarpeggioaccele exercises by bench pressing the entire Harry Potter series in hardcoverarpeggioaccele exercises by bench pressing the entire Harry Potter series in hardcoverarpeggioaccele exercises by bench pressing the entire Harry Potter series in hardcoverarpeggioaccele exercises by bench pressing the entire Harry Potter series in hardcoverarpeggioaccele exercises by bench pressing the entire Harry Potter series in hardcoverarpeggioaccele exercises by bench pressing the entire Harry Potter series in hardcoverarpeggioaccele exercises by bench pressing the entire Harry Potter series in hardcoverarpeggioaccele exercises by bench pressing the entire Harry Potter series in hardcover
 
Posts: 67
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Ok I give up, I have no idea how to do the command line switch on macos

https://superuser.com/questions/3585...dows-shortcuts

This says it might be possible, but idk how.

I found inside the contents of the epub-viewer application inside the calibre application, there's a unix executable file that will launch a new instance/window of the viewer, but it is tied to a command line interface. That is not exactly ideal.

If anyone knows how to trigger a new window of the viewer on macos when opening a epub let me know, thanks.
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Old 03-02-2025, 05:58 AM   #10
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Hi, sorry to bump an old thread, but for people stumbling upon this like me, here's how to do it via the commandline (so it will probably also work from other launcher apps, like Alfred and such) :

Code:
/Applications/calibre.app/Contents/ebook-viewer.app/Contents/MacOS/ebook-viewer "/Users/me/Downloads/myfile.epub" --new-instance &
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Old 03-02-2025, 11:44 AM   #11
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Yes, Kovid implemented it on my request.
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Old 03-02-2025, 02:17 PM   #12
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Thanks.

I was also referring to @arpeggioaccele because that macOS commandline works on macOS, and can then be converted to an App with tools like Platypus :

https://sveinbjorn.org/platypus
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