シーケンシャルな日付を生成するスクリプト

Usage

Usage: seq_date [options]
    -s yyyy-mm-dd
    -e yyyy-mm-dd

script

#!/usr/bin/env ruby
# encoding: utf-8

require 'date'
require 'optparse'

start_date = nil
end_date = nil

opt = OptionParser.new

opt.on('-s yyyy-mm-dd') {|v| start_date = v }
opt.on('-e yyyy-mm-dd') {|v| end_date = v }
opt.parse!(ARGV)

if start_date.nil?
  sd = Time.now.to_date
else
  sd = Date.parse(start_date)
end

if end_date.nil?
  ed = Time.now.to_date
else
  ed = Date.parse(end_date)
end

d = sd
while d <= ed
  puts d.to_s
  d = d.next_day
end