#!/bin/bash
awk -F: '($1!~/(root|halt|sync|shutdown)/ && $7!~/^(\/usr)?\/sbin\/nologin(\/)?$/ && $7!~/(\/usr)?\/bin\/false(\/)?$/) { print $1 " " $6 }' /etc/passwd | while read -r user dir; do
    if [ -d "$dir" ]; then
        file="$dir/.forward"
        if [ ! -h "$file" ] && [ -f "$file" ]; then
            echo "User: \"$user\" file: \"$file\" exists"
        fi
    fi
done