Linux批量 添加/刪除 用戶腳本

淺綠=命令參數

淺藍=選項

紫色=目錄

系統環境：CentOS 6.2 i686

添加腳本：

#!/bin/bash  
 
PWD=users.txt  
PASSWD=123456  
 
while getopts "d:p:h" opt  
do  
case $opt in 
h)   
cat << EOF  
Useing Option:  
-d a txt for users,default ./users.txt  
-p users password, default 123456  
-h help infomation  
EOF  
exit;   
;;  
d)  
PWD=$OPTARG  
;;  
p)  
PASSWD=$OPTARG  
;;  
*)  
echo "Unkonw argument! Please use -h for help." 
exit;  
esac   
done  
 
if test -f "$PWD" 
then 
for i in `cat $PWD`  
do  
USER=`awk -F ":" '{if($1~/peixun_'"$i"'/) print $1}' /etc/passwd`  
#if ["$USER" != "peixun_$1"];  
#echo "`awk -F ":" '{if($1~/peixun_'"$i"'/) print $1}' /etc/passwd`" 
if test -z "`awk -F ":" '{if($1~/peixun_'"$i"'/) print $1}' /etc/passwd`" 
then   
useradd -m peixun_$i  
echo "$PASSWD"|passwd --stdin peixun_$i &> /dev/null  
echo "USER:peixun_$i PASSWD:$PASSWD" 
echo "`date +"%Y-%m-%D %H%M%S"` USER:peixun_$i PASSWD:$PASSWD" >> /var/log/adduser.log  
else   
echo "User peixun_$i is exists" 
fi  
done  
else 
echo "not found $PWD" 
exit;  
fi 

刪除腳本：

#!/bin/bash  
 
del_users_only(){   
for i in $USERS  
do  
userdel $i  
echo "USER:$i" 
echo "`date +'%Y-%m-%d %H:%M:%S'` USER:$i" >> /var/log/deluser.log  
done  
}  
 
del_users_home(){   
for i in $USERS  
do  
HOME=`awk -F ":" '{ if($1~/test/) print $6}' /etc/passwd`  
userdel -r $i  
echo "USER:$i del HOME:$HOME"   
echo "`date +'%Y-%m-%d %H:%M:%S'` USER:$i del HOME:$HOME" >> /var/log/deluser.log  
done  
}  
 
select_y_n_2(){  
echo "Do you want to del HOME?(y/n)" 
read yn2  
case $yn2 in 
n|N)  
del_users_only;  
;;   
y|Y)   
del_users_home;  
;;   
*)   
echo "Please enter y or n" 
select_y_n_2;  
esac   
}  
 
select_y_n_1(){  
echo "del USERS:$USERS" 
echo "Do you want to del USERS?(y/n)" 
read yn1  
case $yn1 in 
n|N)  
exit;  
;;  
""|y|Y)   
select_y_n_2;  
;;  
*)  
echo "Please enter y or n" 
select_y_n_1;  
esac  
}  
 
if test -z "$1" ||[ "$1" = "-" ]||[ "${1:0:1}" != "-" ]  
then 
echo "Unkonw argument! Please use -h for help." 
exit;  
else 
while getopts "u:h" opt  
do  
case $opt in 
""|h)  
cat << EOF  
Useing Option:  
-u keywork for users  
-h help infomation  
EOF  
exit;  
;;  
u)  
WORD=$OPTARG  
;;  
?)  
echo "Unkonw argument! Please use -h for help." 
exit;  
esac  
done  
 
USERS=`awk -F ":" '$3>=500&&$1~/'"$WORD"'/ {print $1}' /etc/passwd`   
 
if test -z "$USERS" 
then 
echo "Users are not found!" 
exit;  
else 
select_y_n_1  
fi  
fi