全自动检测硬盘分区格式化安装grub脚本

#!/bin/sh

#屏蔽信号
#trap '' 2 20

#日志开关
DEBUG=1
[ $DEBUG -eq 1 ] && LOG="/tmp/log" || LOG="/dev/null"

#打印等待提示
echo_fun(){
    echo ""
    echo -n " Please waiting "
    while [ -e "/tmp/echo.tmp" ]
    do
        echo -n ". "
        sleep 2
    done
}

#大于128磁盘 分区格式化 安装grub 拷贝系统文件
fun(){
    dd if=/dev/zero of=$3 bs=512 count=1 &>/dev/null

    if [ "$2" -le 128000000 ];then
        echo ""
        echo " ******************************************************"
        echo " * The HardDisk Space Is Not Enough! *"
        echo " * Press Anykey To PowerOFF..... *"
        echo " ******************************************************"
        read -n1 -s x
        case $x in
        *)
            poweroff
            sleep 1000
            ;;
        esac

    else
        touch /tmp/echo.tmp
        echo_fun &
        i=$[$1 / 10]
        if [ "$i" -lt 4 ];then
            i=4
        fi
        i=$[$1 - $i]

        sed 's/SIZE/'"$i"'/' fdk | fdisk $3 &>>$LOG

        for((j=1;j<=3;j++))
        do
            mkfs.ext3 $3$j &>>$LOG
            tune2fs -i 0 -c 0 $3$j &>>$LOG
            mkdir /hd$j &>>$LOG
            mount -t ext3 $3$j /hd$j &>>$LOG
        done

        cp -R /boot/ /hd1/
        k=$[$4 - 1]
        sed 's/SIZE/'"$k"'/' conf | grub &>>$LOG

        for i in $(cat dir)
        do
            mkdir $i &>>$LOG
        done

        eject &>/dev/null
        rm /tmp/echo.tmp
        echo ""
        echo ""
        echo " ******************************************************"
        echo " * Completed! Please Press Anykey To Reboot... *"
        echo " ******************************************************"
        read -n1 -s x
        case $x in
        *)
            reboot
            sleep 1000
            ;;
        esac
    fi
}

#列出磁盘
hd="fdisk -l 2>/dev/null | awk -F' |:' '/[sh]d.:/{print \$2}'"
#列出簇
cy="fdisk -l 2>/dev/null | awk '/[sh]d.:/{getline;print \$5}'"
#列出字节
by="fdisk -l 2>/dev/null | awk '/[sh]d.:/{print \$5}'"
#计算磁盘数量
num=$(fdisk -l 2>/dev/null | awk '/[sh]d.:/{k++}END{print k+0}')

if [ "$num" -eq 0 ];then
    echo ""
    echo " ******************************************************"
    echo " * Error! The HardDisk Is Undiscovered! *"
    echo " * Press Anykey To PowerOFF..... *"
    echo " ******************************************************"
    case $x in
    *)
        poweroff
        sleep 1000
        ;;
    esac

elif [ "$num" -eq 1 ];then
    disk_cy=$(eval $cy)
    disk_by=$(eval $by)
    disk=$(eval $hd)
    fun $disk_cy $disk_by $disk $num

else
    echo ""
    echo " ******************************************************"
    echo " * Please select the HardDisk: *"
    echo " ******************************************************"
    for((i=1;i<=$num;i++))
    do
        echo " [$i] - $(fdisk -l 2>/dev/null | awk -F' |,' '/[sh]d.:/{print $2,$3,$4}' | sed -n ''"$i"'p')"
    done

    while :
    do
        read -n1 -s x
        if [[ "$x" =~ [1-$num] ]];then
            disk_cy=$(eval $cy | sed -n ''"$x"'p')
            disk_by=$(eval $by | sed -n ''"$x"'p')
            disk=$(eval $hd | sed -n ''"$x"'p')
            fun $disk_cy $disk_by $disk $x
        else
            echo ""
            echo " ******************************************************"
            echo " * Please Enter The Number! *"
            echo " ******************************************************"
        fi
        done
fi