#nfs 客户端挂载输入服务端 ip 及目录，客户端目录 判断输入是否正确
count=0
tips=("Please enter nfs server IP :" "Please enter nfs server dir eg /data :" "Please enter local mount dir eg /mnt :")
while [ ${count} -lt 3 ]dousag=${tips[$count]}read -p "$usag" values[${count}]#ip addr is legal?if [ ${count} -eq 0 ];then#echo "ip addr is : ${values[0]}"len=`echo "${values[0]}"|awk -F "." '{print NF}'`#echo "ip adr length: $len"[ ${len} -ne 4 ] && echo "ip addr is illegal value!" && continueelselen=`echo ${values[${count}]}|awk '{print length($0)}'`#dir length less than 2[ ${len} -lt 2 ] && echo "dir is illegal value!" && continue#dir must have /echo ${values[${count}]}|grep "/" &>/dev/null[ $? -ne 0 ] && echo "dir is illegal value!" && continuefi((count=count+1))
done
NFS_IP=${values[0]}
NFS_DIR=${values[1]}
MOUNT_DIR=${values[2]}