Create a user-duplication

1 ! # / Bin / bash
 2  for i in `seq 1  10 `
 3  do 
4          IF the above mentioned id tom- $ i> / dev / null ; the then
 5              the Read -ep " tom- $ i already exist, whether to remove - (y / n-) " SS
 . 6              IF [SS = $ Y]; the then
 . 7                  the userdel -rf tom- $ I
 . 8              elif [$ SS = n-]; the then
 . 9                  Continue 
10              the else 
. 11                  " input error " 
12 is              Fi
 13 is         else
14             useradd tom-$i
15             if [ $? -eq 0 ];then
16                 echo "tom-$i 创建成功"
17                 passwd="user cat /dev/random | head -1 | md5sum | head -c 5"
18                 echo "tom-$1:$passwd" chpasswd
19                 echo "tom-$i--$passwd" >> user.txt
20             else
21                 echo "tom-$i 创建失败"
22             - fi
 23 -          fi
 24 Done