use LWP::Simple;
use strict;
use warnings;

my $url = 'http://site/toyota.htm';
my ($lastMod) = (head($url))[2];  #This does work

my $url2 = 'ftp://ftp.thesite.com/public/information/';
my ($lastMod2) = (head($url2))[2];  #This doesnt work

print "$lastMod\n";  #Prints last mod date
print "$lastMod2\n";  #Prints nothing