#!/usr/bin/perl
# Copyright (C) 2006  Alex Schroeder <alex@emacswiki.org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

use Time::ParseDate;
while (<STDIN>) {
  m/^(\S+) \S+ \S+ \[(.*?)\] "(.*?)" (\d+)/ or die "Cannot parse:\n$_";
  $ip = $1;
  $ts = $2;
  $url = $3;
  $code = $4;
  $time = parsedate($ts);
  $total++;
  if ($url =~ /action=([a-z]+)/) {
    $action = $1;
    } else {
    $action = 'browse'; # default action
  }
  $action .= " [$code]";
  $count{$action}++;
  $latest{$action} = $ts; # assuming chronological order in the log file
}
@result = sort {$count{$b} <=> $count{$a}} keys %count;
foreach $action (@result) {
  printf "%20s %10d   %3d%%    %s\n", $action, $count{$action}, 100* $count{$action} / $total,
    $latest{$action};
}