#!/usr/bin/php4 -q
<?

    //this is from php.net slightly modified for my use
    function recursive_ls($listing, $directory, $count, &$absoluteFiles)
    {
        $dummy = $count;
        if ($handle = opendir($directory)) {
            while ($file = readdir($handle)) {
                if ($file=='.' || $file=='..') continue;
                else if ($h = @opendir($directory.$file."/")) {
                    closedir($h);
                    $count = -1;
                    //this is a directory
                    $listing[$file] = array();
                    recursive_ls(&$listing["$file"], $directory.$file."/", $count + 1, $absoluteFiles);
                }
                else {
                    //this is a file
                    $listing[$dummy] = $file;

                    if(eregi(".wav",$file)){
                        $absoluteFiles[] = $directory.$file;
                    }
                    $dummy = $dummy + 1;
                }
            }
        }
        closedir($handle);
        return ($listing);
    }

    $localDir = getcwd()."/";
    $list = recursive_ls(array(), $localDir, 0, $absoluteFiles);

    if(is_array($absoluteFiles)){
        foreach($absoluteFiles as $file){
            $new = substr($file,0,-3)."gsm";
            $cmd = "sox ".$file." -r 8000 ".$new." resample -ql";
            exec($cmd);
            echo $cmd."\n";
        }
    }

?>