Sha256: bb40ea72aaea7348ddc23e86941092e348faa396159679b2e74bb138e21237ef
Contents?: true
Size: 1.02 KB
Versions: 6
Compression:
Stored size: 1.02 KB
Contents
require 'optparse'
require 'epub/parser'
options = {:format => :line}
opt = OptionParser.new do |opt|
opt.banner = <<EOB
Show metadata of an EPUB file
Usage: epubinfo [options] EPUBFILE
EOB
opt.version = EPUB::Parser::VERSION
opt.on '-f', '--format=FORMAT', [:line, :json, :yaml], 'format of output(line, json or yaml), defaults to line(for console)' do |format|
options[:format] = format
end
end
opt.parse!(ARGV)
file = ARGV.shift
unless file
$stdout.puts "error: you must supply an EPUB file name"
$stdout.puts opt.help
abort
end
book = EPUB::Parser.parse file
data = {'Title' => [book.title]}
data.merge!(book.package.metadata.to_hash)
data['Unique identifier'] = [book.package.metadata.unique_identifier]
data['EPUB Version'] = [book.package.version]
if options[:format] == :line
key_width = data.keys.map {|k| k.length}.max + 3
data.each_pair do |k, v|
puts (k.to_s.capitalize + ':').ljust(key_width) + v.join(', ')
end
else
require options[:format].to_s
puts data.__send__("to_#{options[:format]}")
end
Version data entries
6 entries across 6 versions & 1 rubygems