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I'm able to view an epub file in, say, okular, select all the text and copy-paste into a text editor. I'd like a command line method - anyone know of such a thing?

  • I'd recommend You to use some firefox epub-reading extension instead of an okular. – Adobe Mar 31 '12 at 15:49
43

I don't know if Calibre is worth installing for your job, but if you have it you could use the powerful ebook converter:

ebook-convert input.epub output.txt

Output format is deducted from output file extension

I imagine there could be some XML tools/scripts (XSLT) that can transform epub in text as epub is basically XHTML in ZIP archive

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  • 1
    Calibre (and it's "ebook-convert") is very powerful tool indeed! Thanks! – drevicko Feb 10 '12 at 7:28
  • If you've installed calibre on OS X, the command line tool can be found here: /Applications/calibre.app/Contents/MacOS/ebook-convert. – funroll Jan 2 '16 at 18:15
  • If you use the command line tool, you might have to configure or set options to get proper output or you could end up with the wrong encoding when converting from epub to plain text for example. Using the app interface, default settings seems to work fine. – lacostenycoder May 1 '17 at 12:01
7

An alternative is epub2txt by Kevin Boone, available on Github.

epub2html is a simple command-line utility for extracting text from EPUB documents and, optionally, re-flowing it to fit a text display of a particular number of columns. It is written entirely in ANSI-standard C.

Usage example:

epub2txt input.epub > output.txt
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3

MuPDF can convert from epub to html and txt. To install it:

sudo apt install mupdf mupdf-tools

To use it:

mutool convert -o somefilename.txt somefilename.epub 

It assumes txt output from the -o option.

See mutool convert documentation for more information.

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2

Maybe Calibre can suit your needs.

See What formats does calibre support conversion to/from? for information on supported formats.

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  • 3
    Whilst this may theoretically answer the question, it would be preferable to include the essential parts of the answer here, and provide the link for reference. – hhlp Mar 23 '13 at 10:49

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