Shell脚本检查IP格式及mysql操作实例_linux shell_

 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." }