#!/bin/bash

while read username group name surname; do
    if [ -z $group ]; then
        username_=$( echo $username | cut -d ',' -f1 )
        group=$( echo $username | cut -d ',' -f2 )
        username=$username_
    else
        username=$( echo $username | tr -d ':' )
    fi

    #echo $username
    #echo $group
    #echo $name
    #echo $surname

    # delete users
    deluser --remove-home --quiet $username &> abc
    delgroup --only-if-empty --quiet $group &> abc
done