#!/bin/bash

cat /etc/passwd | egrep -v '^(root|halt|sync|shutdown)' | awk -F: '($7 !="/sbin/nologin" && $7 != "/bin/false") { print $1 " " $6 }' | while read user dir; do
	if [ ! -d "$dir" ]; then
		echo "The home directory ($dir) of user $user does not exist."
	fi
done