
: Re: How to rename epubs when the file name is a numeric string? I have a number of EPUB titles that need renaming, from the likes of "1631214659.epub" to "Moon's Napa and Sonoma" and so on. They
I haven't verified this to be the case, but I'm pretty sure it works.
An epub is simply a zip file with its file extension renamed to .epub. The ebook name comes from the package.opf . Then look for the information in the line:
<dc:title>Your Title </dc:title>.
But even knowing that is unnecessary. I would throw copy all your epub files into a separate directory, then add them to an app like Adobe Digital Editions or Readium (or even Calibre). Click on INFO or PROPERTIES TO view the ebook title (i.e., dc:title) and see what the file is named.
Then in Windows explorer you use this information to edit the file name of the original epub file. Tedious, but it works. Another way to do is to right-click the ebook, select, EDIT THE EBOOK, and then choose File --> Save a Copy --> (input your preferred name in the dialogue and press Save).
BTW, I had this exact same problem with earlier versions of Project Gutenberg files (which had cryptic file names). In the last year or so PG corrected it so that (most) file names are comprehensible to humans.
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