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{file:docs/Home} > *{file:docs/EpubCover.adoc}*
= `epub-cover` command-line tool
`epub-cover` tool extract cover image from EPUB book.
== Usage
----
% epub-cover --help
Extract cover image.
Image is put to current directory with the same name in EPUB.
It is put to specified directory when `--output' option is given.
Usage: epub-cover [options] EPUBFILE
Options:
-o, --output=DIR Directory to put image file
----
Example:
----
% epub-cover childrens-literature.epub
Cover image output to cover.png
----
As output indicates, cover image file is output to current directory. The file name is the same to one in EPUB file.
=== Output directory
You can specify a directory to output the cover file by `--output` option.
----
% epub-cover --output=/tmp childrens-literature.epub
Cover image output to /tmp/cover.png
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=== Extract from the web
`epub-open` accepts URI instead of file path.
----
% epub-cover https://raw.githubusercontent.com/IDPF/epub3-samples/master/30/page-blanche/
Cover image output to cover.jpg
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Version data entries
12 entries across 12 versions & 1 rubygems