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batch convert epub epub ISBN to file
Hi Charles,
i did for my exact understanding
1) have epub file which had not ISBN. Cheched by Sigil
2) fetch metadata - edit metadata individually by Calibre, Calibre saved it by opf file
3) epub file still have not ISBN, checked by Sigil again
4) convert epub to epub by "ebook-convert title.epub title-2.epub"
5) title-2.epub file includes ISBN - see by Sigil
do i understand correct ?
no way to simplify this ? what you will recommend for bulk convert - purpose - to put ISBN to the 10000 epub files ?
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