batch
http://konbu13.hatenablog.com/entry/2014/05/20/205411
http://d.hatena.ne.jp/nakamura001/20090203/1233652705 http://enajet.air-nifty.com/blog/2010/05/dos-299a.html http://blog.livedoor.jp/moya_pro/archives/32153417.html http://detail.chiebukuro.yahoo.co.jp/qa/question_detail/q1326820783