Contents

require 'tmpdir'
require 'optparse'
require 'epub/parser'

Version = EPUB::Parser::VERSION

options = {:format => :line}
opt = OptionParser.new do |opt|
  opt.banner = <<EOB
Show metadata of an EPUB file

Usage: epubinfo [options] EPUBFILE

EOB
  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
  exit!
end

Dir.mktmpdir('epub-parser') do |dir|
  book = EPUB::Parser.parse file, dir
  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
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
epub-parser-0.0.8	bin/epubinfo