今日の日付で自動的にフォルダを作る

mkdirdate

#! /usr/bin/env ruby

if ARGV[0] != nil
  if File.exists?(ARGV[0])
    if FileTest.directory?(ARGV[0])
      path = ARGV[0]
    else
      abort ARGV[0] + " is not a directory."
    end
  else
    abort ARGV[0] + " not found."
  end
else
  path = Dir.pwd
end

date_format = "%Y%m%d"

yesterday = (Time.now - 60 * 60 * 24).strftime(date_format)
(1..99).each do |i|
  dir = File.join(path, sprintf("%s%02d", yesterday, i))
  if File.exists?(dir)
    if Dir.entries(dir).join == "..."
      Dir.rmdir(dir)
      puts dir + " : exists, empty -> removed"
    end
  end
end

today = Time.now.strftime(date_format)
(1..99).each do |i|
  dir = File.join(path, sprintf("%s%02d", today, i))
  if File.exists?(dir)
    if Dir.entries(dir).join == "..."
      puts dir + " : exists, empty"
      exit
    else
      puts dir + " : exists, not-empty"
      next
    end
  else
    Dir.mkdir(dir)
    puts dir + " : not-exists -> created"
    exit
  end
end