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Old 06-19-2010, 04:34 AM   #6
pdurrant
The Grand Mouse 高貴的老鼠
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Posts: 71,504
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Join Date: Jul 2007
Location: Norfolk, England
Device: Kindle Voyage
Quote:
Originally Posted by noideaatall View Post
some are old, some I got already as a mobi and may not be converted. So it seems like it might be a good idea to convert them all again.

I'm not finging it a little tricky to use the command line. I'd like to convert everything from one directory and put the new compressed files in another directory - to see how much smaller they are and avoid the file names clashing.

any idea how to do this?
I don't know how to do it with Calibre, but you could unpack the files with mobiunpack.py, and then re-compile with KindleGen. This should get you the highest compression with fewest changes to the files.
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