syntax_error()
{
    echo "Syntax: add <group> [prefix]"
    echo " "
    echo "group:  the initial group"
    echo "prefix: the generated username will begin with this prefix"
    echo " "
    echo "The full name of all new users needs to be in newusers.txt"
    echo "A file named newusers.csv will be generated."
    echo " "
    echo "You need to be root to run this script"

    exit 0
}

#Check that we have at least one argument (group) but not more than two
if [ $# == 0 -o $# -gt 2 ]; then
    syntax_error
fi

#Use the second arg, if given, as PREFIX
prefix=""
if [ $# = 2 ]; then
    prefix=$2
fi


#Use the first arg as GROUP
group=$1


#You need to be root to run the script
if [ "$(whoami)" != "root" ]; then
    syntax_error
fi


#Check that the the group is existing
tmp=$(grep $group /etc/group| wc -l)
if [ $tmp != 1 ]; then
    syntax_error
fi


#If group folder is not existing, create it
if [ ! -d /home/$group ]; then
    mkdir /home/$group
fi


while read line; do
        if [ "$line" != "" ]; then
            #Create username and password
            name=$line
            user=$prefix$(echo $line|sed -e's/\ /./g' -e's/å/a/g' -e's/ä/a/g' -e's/ö/o/g' -e's/Å/A/g' -e's/Ä/A/g' -e's/Ö/O/g' -e's/é/e/g' -e's/è/e/g' -e's/-//g' |tr A-Z a-z)
            password=$(apg -n 1 -m 7 -x 7 -M nl -E 1l)
            #PASSWORD="skolning"
            encpassword=$(perl -e 'print crypt($ARGV[0], "password")' $password)

            #Print out the information
            echo " "
            echo "Name: $name"
            echo "Username: $user"
            echo "Password: $password"
            echo " "


            #Save the new user to a CSV file
            echo "\"$name\",\"$user\",\"$password\"" >> newusers.csv

            #Add the user to the system
            useradd -c "$name" -p $encpassword -b /home/$group -g $group -m -s /bin/bash -G lp,cdrom,floppy,audio,video,plugdev,fuse,saned $user

            chmod 700 /home/$group/$user

            #Copy quota settings from netuser
            setquota -u -p netuser $user /home
        fi

done < newusers.txt