shell批量检查N个网站地址是否正常(debian/centos)

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==========================Debian=====================================
cat checkurl.sh
#!/bin/bash
#--------------------------------------------------
# Date:2015-05-04
# Author:jimmygong
# Mail:jimmygong@taomee.com
# Function:check website(curl)
# Version:1.0
#--------------------------------------------------
set -o nounset
echosucc ()
{
succstatus="[ Ok ]"
printf "\033[32m $succstatus $* \033[0m\n"
}
echofail ()
{
failstatus="[ Failure ]"
printf "\033[31m $failstatus $* \033[0m\n"
exit 1
}
urllist=( http://7938217.blog.51cto.com/7928217/1639520 http://7938217.blog.51cto.com/7928217/1639753 http://7938217.blog.51cto.com/7928217/1641646 http://7938217.blog.51cto.com/7928217/1641803 http://7938217.blog.51cto.com/ http://oldboy.blog.51cto.com http://etiantian.org 10.1.1.1
)

function checkwait ()
{
echo -n "start check url."
for ((i=0;i<3;i++))
do
echo -n ".";sleep 1
done
echo
}
function checkurl ()
{
checkwait
cat /etc/issue|head -1
for ((i=0;i<${#urllist[*]};i++))
do
status=`curl -o /dev/null -s -m 10 --connect-timeout 15 -w "%{http_code}\n" ${urllist[$i]}`
if [[ $status == '200' ]]
wget -T 15 --tries=1 --spider ${urllist[$i]} > /dev/null 2>&1
[[ $? -eq 0 ]]
then
echosucc ${urllist[$i]}
else
echofail ${urllist[$i]}
fi
done
}

checkurl
exit 0
============================说明===============================
执行结果
bash checkurl.sh
start check url....
Debian GNU/Linux 6.0 \n \l
[ Ok ] http://7938217.blog.51cto.com/7928217/1639520 [ Ok ] http://7938217.blog.51cto.com/7928217/1639753 [ Ok ] http://7938217.blog.51cto.com/7928217/1641646 [ Ok ] http://7938217.blog.51cto.com/7928217/1641803 [ Ok ] http://7938217.blog.51cto.com/ [ Ok ] http://oldboy.blog.51cto.com [ Ok ] http://etiantian.org [ Failure ] 10.1.1.1

-m/--max-time <seconds> 设置最大传输时间
-s/--silent静音模式。不输出任何东西
-o/--output 把输出写到该文件中
-w/--write-out [format]什么输出完成后
--connect-timeout <seconds> 设置最大请求时间

===========================Centos=====================================
cat checkurl.sh
#!/bin/bash
#--------------------------------------------------
# Date:2015-05-04
# Author:jimmygong
# Mail:jimmygong@taomee.com
# Function:check website(curl)
# Version:1.0
#--------------------------------------------------
set -o nounset
source /etc/init.d/functions
urllist=( http://7938217.blog.51cto.com/7928217/1639520 http://7938217.blog.51cto.com/7928217/1639753 http://7938217.blog.51cto.com/7928217/1641646 http://7938217.blog.51cto.com/7928217/1641803 http://7938217.blog.51cto.com/ http://oldboy.blog.51cto.com http://etiantian.org 10.1.1.1
)

function checkwait ()
{
echo -n "start check url."
for ((i=0;i<3;i++))
do
echo -n ".";sleep 1
done
echo
}
function checkurl ()
{
checkwait
cat /etc/issue|head -1
for ((i=0;i<${#urllist[*]};i++))
do
status=`curl -o /dev/null -s -m 10 --connect-timeout 15 -w "%{http_code}\n" ${urllist[$i]}`
if [[ $status == '200' ]]
wget -T 15 --tries=1 --spider ${urllist[$i]} > /dev/null 2>&1
[[ $? -eq 0 ]]
then
action ${urllist[$i]} /bin/true
else
action ${urllist[$i]} /bin/false
fi
done
}

checkurl
exit 0
=================================说明==============================
执行结果
bash checkurl.sh
start check url....
CentOS release 6.6 (Final) http://7938217.blog.51cto.com/7928217/1639520              [  OK  ] http://7938217.blog.51cto.com/7928217/1639753              [  OK  ] http://7938217.blog.51cto.com/7928217/1641646              [  OK  ] http://7938217.blog.51cto.com/7928217/1641803              [  OK  ] http://7938217.blog.51cto.com/                             [  OK  ] http://oldboy.blog.51cto.com                               [  OK  ] http://etiantian.org                                       [  OK  ]
10.1.1.1                                                   [FAILED]