linux批量添加用户shell并随机生成用户密码

#!/bin/bash #***************************************************** #         Author: suixiaofeng #           blog:https://blog.cool360.org #          Email: 258818040@qq.com #  Last modified: 2017-07-11 15:20 #       Filename: 20170711.sh #    Description: #**************************************************** . /etc/init.d/functions #user="test" passfile="/tmp/user.log" read -p "pls input username:" user [ -z $user ] && {     echo "Usage:$0  user"     exit 1 }   read -p "pls input create two num:" num1 num2 [ -z $num1 -o -z  $num2 ] && {       echo "Usage:$0  NUM1 NUM2 "     exit 1 }   for num in `seq -w $num1 $num2`  do    pass="`echo "test$RANDOM" |md5sum |cut -c 3-11`"    useradd $user$num &>/dev/null &&\    echo "$pass"|passwd --stdin $user$num &>/dev/null &&\    echo  -e "user:$user$num\tpasswd:$pass" >>$passfile    if [ $? -eq 0 ]     then          action  "$user$num is ok" /bin/true     else         if [ `id $user$num |wc -l` -eq 1 ] ; then              action  "$user$num is exits " /bin/false        fi    fi done  echo -------------------------------------------------- cat $passfile && >$passfile

测试：

[root@sf106232 script]# sh 20170711.sh  pls input username:sddsb pls input create two num:11 15 sddsb11 is ok                                              [  OK  ] sddsb12 is ok                                              [  OK  ] sddsb13 is ok                                              [  OK  ] sddsb14 is ok                                              [  OK  ] sddsb15 is ok                                              [  OK  ] -------------------------------------------------- user:sddsb11    passwd:d3124a198 user:sddsb12    passwd:4fd2607b8 user:sddsb13    passwd:d046ca964 user:sddsb14    passwd:5b21daf09 user:sddsb15    passwd:0d828efaa