shell脚本-从用户列表里批量创建或…

#!/bin/bash

#./adduser.sh -a -- userlist

set -- `getopt -q ad $@`

flag=0

while [ -n $1 ]; do

case $1 in

-a|--add)

flag=add

;;

-d|--delete)

flag=del

;;

-h|--help)

echo "Descreption: this script is use to add or delete userfrom file"

echo -e "\t-a|--add\n\t\t add user"

echo -e "\t-d|--delete\n\t\t delete user"

echo -e "\t-h|--help\n\t\t  get the helppage"

exit 0

;;

--)

shift

break

;;

*)

echo "error,use -h to get help"

exit 1 

;;

esac

shift

done

list=`echo $1 | sed "s/'//g"`

for user in `cat $list`; do

case $flag in 

add)

useradd $user

echo "user $user added"

;;

del)

userdel -r $user

echo "user $user deleted"

;;

*)

echo "error"

exit 1

esac

done