use strict;
use warnings;
use CGI::Carp qw/fatalsToBrowser/;

open(FILE,$log) or die "Couldn't open $log: $!";
flock (FILE,3) or die "Couldn't lock $log: $!";
my @users=<FILE>;
close(FILE);
chomp @users;

my %locations;
foreach my $lines (@users){
  my ($ips,$times,$location)=split('×',$lines);
  $timeoff=$time-$times;
  if ( not exists $locations{$location}) {
    $locations{$location}={online => 1};
  } else {
    $locations{$location}->{'online'}++;
  }
}
$location{$_}->{'usertext'}=$location{$_}->{'online'}==1? 'user' : 'users' for keys %locations;

foreach my $loc (sort { $b->{'online'} <=> $a->{'online'} }keys %locations){
  my $href = $locations{$loc};
  print $href->{'online'}." ".$href->{'usertext'}."$loc\n";
}