script to show list of days suitable for choseisan.com input

ckdl.rb

#!/usr/bin/env ruby 
# -*- coding: utf-8 -*-
#
# Create list of lines of days with day of week
# suitable for http://chouseisan.com input
#

require 'date'

day = Date.today
count = 14

if ARGV.count == 1 && ARGV[0] == "--help"
  puts "usage: ckdlist [day] [count]"
  exit
end

day = Date.parse(ARGV[0], true) if ARGV.count >= 1
count = ARGV[1].to_i if ARGV.count == 2

(0..count-1).each {|n| puts (day + n).strftime("%m/%d (%a)") }