程序時間控制的腳本

#!/bin/bash     


#自動下載自動開啟關閉腳本     
#定義開始時間,000101表示00:01:01     
datestart=000101    
#定義結束時間,180101表示18:01:01     
dateend=180101    
#自動和網絡時間同步，避免時間故障     
sntp -P no -r pool.ntp.org     
#獲取當前系統的時區     
zone=`awk /TZif2/ /etc/localtime |cut -c1-5`     
zone="TZif2"
[ $zone != 0 ];rm /etc/localtime;     
ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime     
#獲取當前系統時間     
date=`date --date=-24hour +%H%M%S`     
#查看當前進程是否運行     
downloader=`ps -ef |grep "/home/downloader/downloader" |grep -v grep|awk '{print $8}'|cut -c22-31|uniq`     
#判斷時間是否為下載時間，是，則進行下載     
if [ $downloader = "downloader" ]     
then exit 1     
  elif  [  $date -ge $datestart -a $date -lt $dateend  ]     
then `nohup /home/downloader/downloader > /dev/null &`;status=$?     
   [ $status = 0  ] && echo "***********Now is $date,start downloader***********************" >>/var/log/start_downloader.log     
   [ $status != 0  ] && echo "**********Now is $date,start downloader,but can't find the program" >>/var/log/start_downloader     
.log     
        
elif [ $date -gt $dateend ]     
then `ps -ef |grep down|grep -v grep|awk '{print $2}'|xargs kill -9`;status=$?     
   [ $status != 0  ] && echo "***********Now is $date,the program is not running,stop error**************"  >>/var/log/stop_d     
ownloader.log     
   [ $status = 0  ] && echo "***********Now is $date,killed downloader*****************" >>/var/log/stop_downloader.log     
        
        
#elif [ $down != 0 ] && [ $date -le $dateend ]     
#then `nohup /home/downloader/downloader > /dev/null &`     
#echo "*********Now is $date,the process is not running,started it" >>/var/log/start_downloader.log     
else 
echo "*********no such a file,please check the process url">>/var/log/start_downloader.log     
fi     
exit 1     
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本文出自 “itnihao的運維技術博客” 博客，請務必保留此出處http://itnihao.blog.51cto.com/1741976/681574