fetch-ebook-metadata(1) on Linux
The text 718c4953094d, as Debian 7 (Wheezy) shipped it.
part of calibre
Flags it lists
-
--authors -
--cover -
--help -
--isbn -
--opf -
--timeout -
--title -
--verbose -
--version -
-a -
-c -
-d -
-h -
-i -
-o -
-t -
-v