#!/usr/bin/env ruby

require 'fileutils'

class UnrarError < RuntimeError ; end
class ZipError < RuntimeError ; end

where = Dir.pwd

ARGV.each do |arg|
	Dir.chdir where

	cbr_path = File.expand_path arg
	cbz_path = cbr_path.gsub(/.cbr$/,'.cbz')

	name = File.basename(arg).dup
	name.gsub!(/\.cbr/i,'')
	if File.exists? name then
		FileUtils.rm_rf name
	end
	FileUtils.mkdir_p name
	Dir.chdir name
	system "unrar e \"#{cbr_path}\""
	if not $?.success? then
		raise UnrarError
	end

	Dir.chdir where
	system "zip -r \"#{cbz_path}\" \"#{name}\""
	if not $?.success? then
		raise ZipError
	end
	FileUtils.rm_rf name
end