<?php
  $readfile = fopen("ataripitch.txt","r");
  $writefile = fopen("freq.txt","w");
  
  while (!feof($readfile))
  {
    $s = fgets($readfile);
    $comma = strpos($s,",");
    $comma2 = strpos($s,",",$comma+1);
    $freq = substr($s,$comma+1,$comma2-$comma-1);
    fputs($writefile,$freq."\n");
  }
?>