#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=1http://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-ne0]
then
letfail=fail+1
else
echo"success"
exit0
fi
done
 
echo"thisisafailadress"