Method: Watchit::FileSystem#dir_mtime

Defined in:

lib/watchit/file_system.rb

#dir_mtime(dir_name) ⇒ Object

# File 'lib/watchit/file_system.rb', line 3

def dir_mtime(dir_name)
	old_dir = Dir.pwd
	Dir.chdir dir_name

	# 最新修改时间
	lastest = Time.at(0)

	file_names = Dir.entries('.').select{|name| !name.start_with? '.'}
	file_names.each do |file_name|
		next if File.symlink? file_name # 忽略软连接

		# 普通文件
		if !File.directory?(file_name)
			mtime = File.mtime file_name
		# 目录
		else
			mtime = dir_mtime file_name
		end

		lastest = mtime if lastest < mtime
	end

	def lastest.serilize
		"#{self.year}/#{self.month}/#{self.day}/#{self.hour}/#{self.min}/#{self.sec}"
	end

	Dir.chdir old_dir
	return lastest
end