！/bin/bash
#批量添加用户
read -t 20 -p “pelese input user name : “ name
read -t 20 -p “pelese input the number of user : “ num
read -t 20 -p “pelese input user password : “ pass
if [ -n $name -a -n $num -a -n $pass ]
then
test1=$( echo $num | sed ‘s/[0-9]//g’)
if [ -z “$test1” ]
then
for (( i=1;i<=$num;i=i+1 ))
do
/usr/sbin/useradd $name$i $>/dev/null
#添加用户 ，用户名为变量name的值加变量I的数字
echo $pass | /usr/bin/passwd —stdin $name$i $>/dev/null
#给用户设置初始密码为变量pass的值
done
else
echo “qing shuru youxiao de mima “