phez

<?php
ini_set('memory_limit', '192M');

$filename_btrfs = 'btrfs_true.txt';
$filename_reiser4 = 'reiser4_true.txt';

$data_btrfs = explode("\n", file_get_contents($filename_btrfs));
$data_reiser4 = explode("\n", file_get_contents($filename_reiser4));

$count_btrfs = array();
$count_reiser4 = array();
$count_similar = array();
$count_total = 0;
$count_total_similar = 0;

for($i = 0; $i < count($data_btrfs); $i++)
{
  $pair = explode(' ', trim($data_btrfs[$i]));
  $pair[1] = trim(preg_replace('/[^\w]/', '', $pair[1]));

  if(!empty($pair[1]))
  {
    if(isset($count_btrfs[$pair[1]]))
    {
      $count_btrfs[$pair[1]] += trim($pair[0]);
    }
    else
    {
      $count_btrfs[$pair[1]] = trim($pair[0]);
    }
  }
}

for($i = 0; $i < count($data_reiser4); $i++)
{
  $pair = explode(' ', trim($data_reiser4[$i]));
  $pair[1] = trim(preg_replace('/[^\w]/', '', $pair[1]));

  if(!empty($pair[1]))
  {
    if(isset($count_reiser4[$pair[1]]))
    {
      $count_reiser4[$pair[1]] += trim($pair[0]);
    }
    else
    {
      $count_reiser4[$pair[1]] = trim($pair[0]);
    }
  }
}

for($i = 0; $i < count($data_btrfs); $i++)
{
        $pair = explode(' ', trim($data_btrfs[$i]));
        $pair[1] = trim(preg_replace('/[^\w]/', '', $pair[1]));

        if(!empty($pair[1]))
        {
                if(isset($count_reiser4[$pair[1]]))
                {
                        if(isset($count_similar[$pair[1]]))
                        {
                                $count_similar[$pair[1]] += $count_reiser4[$pair[1]] + $count_btrfs[$pair[1]];
                        }
                        else
                        {
                                $count_similar[$pair[1]] = $count_reiser4[$pair[1]] + $count_btrfs[$pair[1]];
                        }
                }
        }
}

$keys = array_keys($count_btrfs);
for($i = 0; $i < count($keys); $i++)
{
        $count_total += $count_btrfs[$keys[$i]];
}

$keys = array_keys($count_reiser4);
for($i = 0; $i < count($keys); $i++)
{
        $count_total += $count_reiser4[$keys[$i]];
}

$keys = array_keys($count_similar);
for($i = 0; $i < count($keys); $i++)
{
        $count_total_similar += $count_similar[$keys[$i]];
}

print(round($count_total_similar / $count_total * 100, 2));
print("%\n");

?>