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Linux Shell脚本专栏_批量检测网站是否异常脚本_08


文章目录

  • ​​1. 脚本制作​​
  • ​​2. 运行脚本​​
  • ​​3. 脚本进化动态参数传递​​
  • ​​4. 运行脚本​​
  • ​​5. 脚本分解​​

1. 脚本制作

#!/bin/bash  
URL_LIST=$@
for URL in $URL_LIST; do
FAIL_COUNT=0
for ((i=1;i<=3;i++)); do
HTTP_CODE=$(curl -o /dev/null --connect-timeout 3 -s -w "%{http_code}" $URL)
if [ $HTTP_CODE -eq 200 ]; then
echo "$URL OK"
break
else
echo "$URL retry $FAIL_COUNT"
let FAIL_COUNT++
fi
done
if [ $FAIL_COUNT -eq 3 ]; then
echo "Warning: $URL Access failure!"
fi
done

2. 运行脚本

[root@localhost app]# ./8.sh 
www.baidu.com OK
www.ctnrs.com retry 0
www.ctnrs.com retry 1
www.ctnrs.com retry 2
Warning: www.ctnrs.com Access failure!
[root@localhost app]#

3. 脚本进化动态参数传递

#!/bin/bash  
URL_LIST=$@
for URL in $URL_LIST; do
FAIL_COUNT=0
for ((i=1;i<=3;i++)); do
HTTP_CODE=$(curl -o /dev/null --connect-timeout 3 -s -w "%{http_code}" $URL)
if [ $HTTP_CODE -eq 200 ]; then
echo "$URL OK"
break
else
echo "$URL retry $FAIL_COUNT"
let FAIL_COUNT++
fi
done
if [ $FAIL_COUNT -eq 3 ]; then
echo "Warning: $URL Access failure!"
fi
done

4. 运行脚本

[root@localhost app]# ./8.sh www.baidu.com www.ctnrs.com
www.baidu.com OK
www.ctnrs.com retry 0
www.ctnrs.com retry 1
www.ctnrs.com retry 2
Warning: www.ctnrs.com Access failure!

5. 脚本分解

[root@localhost app]# curl -I www.baidu.com
HTTP/1.1 200 OK
Accept-Ranges: bytes
Cache-Control: private, no-cache, no-store, proxy-revalidate, no-transform
Connection: keep-alive
Content-Length: 277
Content-Type: text/html
Date: Mon, 24 Feb 2020 13:54:03 GMT
Etag: "575e1f5c-115"
Last-Modified: Mon, 13 Jun 2016 02:50:04 GMT
Pragma: no-cache
Server: bfe/1.0.8.18

[root@localhost app]#

[root@localhost app]# curl -o /de/dev/null -s -w "%{http_code}" http://www
200
[root@localhost app]#


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