shell batch create user

# ! / Bin / bash 
 
CAT << EOF
 **************************************** ******************** 
    bulk add users and eight randomly generated password string as its 
        www.tianfeiyu.com
 ************ ************************************************ 
EOF 
 
ADMIN Feiyu =      # define a prefix to be added to the user name 
 
[ -f /etc/init.d/functions] &&. /etc/init.d/functions || Exit 
 
 
for n- in $ (SEQ -w 10 )   
do 
    the passwd = `echo $ (DATE% T +% N) the rANDOM $ | the md5sum | Cut -C 1-8`    # generates a random password 
    ID ADMIN} {$ - $ & n-> / dev / null                     # determines whether the user is present
    [ $? -ne 0 ] && {
        useradd ${admin}-$n &> /dev/null && user_status=$?
        echo "$passwd"|passwd --stdin ${admin}-$n &> /dev/null && passwd_status=$?
    
        if [ "$user_status" == 0 -a "$passwd_status" == 0 ];then
            action "adduser ${admin}-$n" /bin/true
            echo -e "user:\t ${admin}-$n \t passwd:\t $passwd" >> ./user.txt  
        else
            action "adduser ${admin}-$n" /bin/false
            echo -e "user:\t ${admin}-$n \t passwd:\t $passwd" >> ./fail_user.txt
        fi
    } || 
    action "${admin}-$n is exist!" /bin/false
done

This batch script to add users, add the user name and password are saved in the current user.txt file in the directory.

 

 

 

Simple version