分区脚本

```
#!/bin/bash
#分区脚本
#Auther:stone
#列出系统上挂载的所有硬盘
echo -e "\033[31m`fdisk -l |grep '^Disk /dev/[sh]d[a-z]'`\033[0m"
#统计已挂载硬盘数量
c=`fdisk -l 2>/dev/null |grep '^Disk /dev/[sh]d[a-z]' |wc -l`
echo `fdisk -l |grep '^Disk /dev/[sh]d[a-z]' |cut -d ' ' -f 2 |cut -d : -f 1` >/tmp/list.txt
#模块化减少代码
function change() {
           read -p "input a hard disk number:" hdnum
           number=`echo $hdnum |sed -r 's/[0-9]+//g'`
           if [[ $hdnum -gt $c ]] || [[ $hdnum -lt 1 ]] || [[ $number ]]; then
              echo -e "\033[31mplease try again(0-3).\033[0m"; continue
           fi
           hdw=`cat /tmp/list.txt |cut -d ' ' -f $hdnum`
           echo $hdw
           return
}
while :; do
cat << EOF
############format sctipt############
##    a  choice hard disk          ##
##    d  delete hard disk parttion ##
## quit  quit the script           ##
#####################################
EOF
   read -p "input your choice:" optiona
   case $optiona in
     a|A)
        for i in `seq 1 $c`; do
        echo -e "\033[32mThis is $i Hard Disk: `cat /tmp/list.txt |cut -d ' ' -f $i`\033[0m"
        done
        while :; do
           change
           read -p "you date will lose,sure to continue?(y|Y)" choose1
           [ $choose1 != "y" ] || [ $choose1 != "Y" ] && echo -e "\033[32myou not change $hdw\033[0m"; break
           echo '
               n
               p
               1
               
               +1G
               n
               p
               2
               
               +1G
               n
               p
               3
               
               +2G
               t
               3
               82
               w' |fdisk $hdw &>/dev/null
               fdisk -l $hdw
               exit 0
        done
        ;;
       d)
        for i in `seq 1 $c`; do
        echo -e "\033[32mThis is $i Hard Disk: `cat /tmp/list.txt |cut -d ' ' -f $i`\033[0m"
        done
        while :; do
           change
           echo -e "\033[310mare you sure clean the $hdw(y|n):"
           read choose
           [ $choose == "y" ] || [ $choose == "Y" ] && dd if=/dev/zero of=$hdw bs=512 count=1
           echo -e "\033[32myou not clean the $hdw\033[0m"
           break
        done
        ;;
  q|quit)
        exit 0  
        ;;
       *)
        echo -e "\033[31mKnow option,please try again.\033[0m"
        ;;
   esac
done

```

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