29行代码搞定批量自定义创建用户,并生成日志

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#/*************************************************************************                                                                                    #    > File Name: useradd.sh                                                                                                                                   #    > Author: liyong                                                                                                                                          useradd.sh (/root/shell)      #    > Mail: 2550702985@qq.com                                                                                                                                 #    > Description:Multi user created by the param admin input                          #    > Created Time: Mon 17 Apr 2017 06:57:15 PM PDT                           # ************************************************************************/                   #!/bin/bash                         read -p'please input the prefix of username,the default prefix is "test" :' name                        ${name:='test'}                     [ "$name" == ' ' ] && ${name:='test'}                         pwd='yongge666..'                           class='class23'                          mount=0                                while [ "$mount" -le 0 ];do                                  read -p'please input the users of amounts:' mount                          echo $mount | grep -qE '^[[:digit:]]+$' || mount=0                        [ "$mount" -le 0 ]&&echo -e '\033[31m users amounts must greater than one \033[0m'    done;grep -q "^$class" /etc/group || groupadd $class                      for((i=0;i<$mount;i++));do            useradd -g $class  ${name}$i 2> /dev/null            if [ ! "$?" -eq 0 ];then              echo -n `date +'%F %T '`>>useradd-error.log && useradd -g class23 ${anme}$i 2>> useradd-error.log        else                                 echo $pwd | passwd  --stdin $name$i && chage -d 0 $name$i || echo -n `date +'%F %T '`>>useradd-error.log && echo $pwd|passwd --stdin $name$i 2>> usera                        dd-error.log && echo "$name$i":"$pwd" >> useradd.log                                                                                                                                      fi                   done
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