Shell腳本檢查IP格式及mysql操作實例

 　　這篇文章主要介紹了Shell腳本檢查IP格式及mysql操作實例,本文直接給出腳本代碼,需要的朋友可以參考下

　　還是cronjob的一部分，就是在Rails的定時任務裡，後台交互運行

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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 CheckIPAddress() { echo $1 |grep "^[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}$" > /dev/null if [ $? = 1 ]; then return 1 else a=`echo $1 | awk -F. '{print $1}'` b=`echo $1 | awk -F. '{print $2}'` c=`echo $1 | awk -F. '{print $3}'` d=`echo $1 | awk -F. '{print $4}'` #echo $a $b $c $d   for loop in $a $b $c $d do if [ $loop -ge 255 ] || [ $loop -lt 0 ]; then return 2 fi done fi   }     ConfigureDefaultRegion() { echo "Please input Region ip" ret=1 while [ $ret != 0 ] do read region_ip CheckIPAddress $region_ip ret=$? #echo $ret if [ $ret = 1 ]; then echo "Wrong IP address, please reinput Region IP:" fi done /usr/bin/mysql -u root realworx_production -e "update regions set ip='$region_ip' where id=1" 1>/dev/null 2>/dev/null if [ $? = 0 ]; then /usr/bin/mysql -u root realworx_production -e "update config_params set val=1 where ident=55" 1>/dev/null 2>/dev/null echo "set '$region_ip' as Default and Admin Region IP" else val=`/usr/bin/mysql -u root realworx_production -e "select id from regions where ip='$region_ip'" | awk '{if ($1 != "id") print $1}'` /usr/bin/mysql -u root realworx_production -e "update config_params set val='$val' where ident=55" 1>/dev/null 2>/dev/null region_name=`/usr/bin/mysql -u root realworx_production -e "select name from regions where ip='$region_ip'" | awk '{if ($1 != "name") print $1}'` echo "IP already exists. So set '$region_name' as Admin Region. " fi echo "Region Setting Successfull." }