reveal hidden users

#! /bin/bash
# script by Phil Stokes, applehelpwriter.com

lw="/Library/Preferences/com.apple.loginwindow"
# dlu="/Library/Preferences/com.apple.preferences.accounts"

printf "Current users:\n%s `w`"

declare -a arr=("daemon" "nobody" "root" "Guest")
printf " User\tID\n"
for i in `dscl . -list /Users | grep -v '^_'`;
do

        if [[ ! "${arr[@]}" =~ "$i" ]]; then
            k=`id -u $i`
            printf "\t%s\t\t%s\n $i $k"
        fi
done
printf "\n\nLoginwindow: %s `defaults read "$lw"`"
# printf "\n\nDeleted Users: %s `defaults read "$dlu"`"