标签：判断 dev ldb -o log done wget let shel
#如下，对一个网页进行简单的判断，看是否正常 #!/bin/bash fail=0 #success=0 while(( fail <=2 )) do wget --timeout=5 --tries=1 http://oldboy.blog.51cto.com -q -O /dev/null #timeout定义超时时间 --tries定义尝试次数 a=$? if [ $a -ne 0 ] then let fail=fail+1 else echo "success" exit 0 fi done echo "this is a fail adress"标签：判断 dev ldb -o log done wget let shel
原文地址：http://blog.51cto.com/11726212/2062710
