摘要: 1. Determine a string is empty or not if [ $var == "" ] thenecho variable is null fiif [ $var != "" ]thenecho variable is not nullfi 2. Tutorial1) http://www.faqs.org/docs/Linux-HOWTO/Bash-Prog-Intro-... 阅读全文
posted @ 2010-10-20 17:02 wangyile 阅读(290) 评论(0) 推荐(0) 编辑