shell批量添加用户

#!/bin/bash

read -t 30 -p "please input user name:" name

read -t 30 -p "please input user number:" num

read -s -t 30 -p "please input user password:" pass

echo -e "\n"

if [ ! -z "$name" -a ! -z "$num" -a ! -z "$pass" ]

then

y=$(echo "$num" | sed -e  ‘s#^[0-9]##g ; s#[0-9]*$##g‘ )

if [ -z "$y" ]

then

for (( i=1;i<=$num;i=i+1))

do

useradd "$name$i" &> /dev/null

echo "$pass" | passwd --stdin "$name$i" &> /dev/null

done

else

echo "你输入的是: $num"

echo "你输入的不是纯数字 例：{111|222|333}"

fi

fi