29 줄 코드 는 사용자 정의 로 그 를 만 들 고 로 그 를 만 듭 니 다.

#/*************************************************************************                                                                                    
#    > File Name: useradd.sh                                                                                                                                   
#    > Author: liyong                                                                                                                                          useradd.sh (/root/shell)      
#    > Mail: [email protected]                                                                                                                                 
#    > 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