die "The directory $root doesn't exist, please RTFM" unless -d $root;
die "$root/local doesn't exist, please RTFM" unless -d "$root/local";
die "$root/local/DXVars.pm doesn't exist, please RTFM" unless -e "$root/local/DXVars.pm";
die "The directory $root doesn't exist, please RTFM" unless -d $root;
die "$root/local doesn't exist, please RTFM" unless -d "$root/local";
die "$root/local/DXVars.pm doesn't exist, please RTFM" unless -e "$root/local/DXVars.pm";