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Old 07-10-2025, 02:00 AM   #16
edojan
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Join Date: Mar 2022
Device: Kobo Libra 2, Aura H2O
Random number of characters in truncated file names

Quote:
Originally Posted by kovidgoyal View Post
When sending to devices calibre always truncates to 256 as various devices have various limitations.
Sorry to bring this up again. I wonder if you can help to resolve The issue under windows 11 is as follows: if a book has a relatively long title in metadata (e.g. 70-75 characters) when it is added to Calibre library, the file name automatically generated by Calibre would be truncated to a random number of characters. Some file names would become 51 characters long, others - 55 characters, etc. When copied to devices (in my case Kobo Sage), the file names are not truncated at all (since they are less than 250 characters). Hence the files between the windows library and the device are named differently and have different hush numbers. This causes all kinds of problems when I am trying to synchronize of metadata generated by Koreader, etc. Since the same books are treated as different ones.
How can I have exactly the same file names between the main library in windows and file names copied to non-windows devices? E.g. if due to whatever limitation the book file in Calibre is 51 character long, then it would be transferred to connected devices without any changes. I would really appreciate your insight on how to resolve this.
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