<?
$instr = trim($instr);
$ins_dir = "$INS_PATH/$instr/";
$file = "$ins_dir$crsid";
$frmText = 0;
echo "<pre>";
if (!($fp = fopen($file, "r")))
	die("Unable to open the input file.");
else
	$lock = flock($fp,LOCK_SH);
if ($lock)
{
	while (!feof($fp))
	{
		$buffer = fgets($fp, 30000);
		$csn = substr($crsid,0,4);
		$search = trim("COURSE SEQUENCE NUMBER $csn");
		$firstBlock = "SECTION SUMMARY - ITEM ANALYSIS";
		$questNumb = trim(substr($buffer,4,2));
		$omit = trim(substr($buffer,18,2));
		$a = trim(substr($buffer,30,2));
		$b = trim(substr($buffer,42,2));
		$c = trim(substr($buffer,54,2));
		$d = trim(substr($buffer,66,2));
		$e = trim(substr($buffer,78,2));
		$foundN = 0;
		$searchLB = trim(substr($buffer,38,31));
		if(strcmp($searchLB,$firstBlock) == 0) {
			$frmText = 4;
		} elseif($frmText == 4){
			if(is_numeric($questNumb) != 0){
				echo "\"" . $csn . "\"," . $questNumb . "," .  $omit . "," . $a . "," . $b . "," . $c . "," . $d . "," . $e . "\n";
				$foundN = 1;
			} elseif($foundN == 1){
				if(is_numeric($questNumb) ==0)
					die();
			} else {
				continue;
			}
		}
	}
}
$lock = flock($fp,LOCK_UN);
fclose($fp);

?>