logbackup.rb

SearchDir = ARGV[1] || 'D:/mfc/bin'
LogFormat = /^(\d{4})-(\d\d)-(\d\d)-(.+)\.log$/
Name = 'MFC'
OutDir = 'D:/Logs/MFC/'

# do not touch below

Today = Time.new.strftime('%Y-%m-%d')

FileLists = Dir["#{SearchDir}/*.log"].select{ |fileName|
	base = File.basename fileName
	base =~ LogFormat && base[0...10] != Today
}.group_by{ |fileName|
	File.basename(fileName)[0...10]
}.map{ |date, files|
	[date, files.map{|fileName| File.absolute_path fileName }]
}.to_h

# p FileLists

FileLists.each do |date, files|
	command = '7z a -t7z %{out}/%{date}_%{name}.7z %{files} -r -mx9 -mmt on' %  {
		:out => OutDir,
		:date => date,
		:files => files.join(' '),
		:name => Name
	}

	p command
	# `#{command}`
	files.each{ |fileName| File.delete fileName } if Kernel.system(command)
end