Quote:
Originally Posted by Tushar Mehta
Metadata editing in Calibre does not change the metadata at file level. It seems that the editing remains at level of Calibre library level.
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This is true.
Quote:
Originally Posted by Tushar Mehta
This means:
After editing the metadata in Calibre, if the epub file is copied at some other place and re loaded in Calibre, the file turns out to be devoid of any edited changes in metadata.
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The problem here is you used the OS file manager to copy the epub from the calibre library. Calibre provides multiple ways to export epubs from the library. Every one of these methods will update the metadata as the ePub is exported. Ways to export include Save to disk, Send to device, email, and the Content server.
Quote:
Originally Posted by Tushar Mehta
It would be highly desirable if the edited data remains permanently remains embedded in file or Calibre gives option for either way.
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If you use calibre to control your books you don't ever have to worry about it. When you start using other programs to manipulate the books you run into problems. You can embed the metadata into the ePub while it is in the library by using either the
Polish Books feature or the
Modify ePub plugin.