shell编程——if语句http://www.cnblogs.com/david-zhang-index/archive/2012/05/07/2489292.html
shell编程——if语句
http://www.cnblogs.com/david-zhang-index/archive/2012/05/07/2489292.html
shell编程——if语句
http://www.cnblogs.com/david-zhang-index/archive/2012/05/07/2489292.html