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@jamesktan
Last active April 18, 2024 12:28
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Unzipping & Zipping ePub from Command Line
// To unzip the epub, move the ePub to a folder, cd to it then simply:
unzip MyEbook.epub
// To zip up an epub:
1. zip -X MyNewEbook.epub mimetype
2. zip -rg MyNewEbook.epub META-INF -x \*.DS_Store
3. zip -rg MyNewEbook.epub OEBPS -x \*.DS_Store
Some explanations necessary here. We start each line with two flags:
-r (recursive)
This means move down through any directories/folders recursively, ensuring that everything in the folders specified gets included
-g (grow file)
@phoenixeliot
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Found some even more concise versions from the Ebooks StackExchange: https://ebooks.stackexchange.com/questions/257/how-to-repack-an-epub-file-from-command-line/7278#7278?newreg=ec07b030898d48868a88caec7809c255

Linux: (Uses the name of the current folder as the epub filename)
zip -rX "../$(basename "$(realpath .)").epub" mimetype $(ls|xargs echo|sed 's/mimetype//g')

macOS: (you should change the epub name here to whatever it should be called)
zip -rX "../myprecious.epub" mimetype $(ls|xargs echo|sed 's/mimetype//g') -x *.DS_Store

I found this version also worked better for epubs I found that don't use the OEBPS folder. I don't know if not having that folder is valid per standards, but I found examples of it being missing in the wild.

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