"; echo file_get_contents(dirname(__FILE__) . "/calculator.txt") . " = " . urldecode($_GET['read']); echo "



Calculator via TCL



First Number: :Second Number
"; } else if (isset($_GET['firstnum']) && isset($_GET['oper']) && isset($_GET['secnum'])) { file_put_contents(dirname(__FILE__) . "/calculator.txt", urldecode($_GET['firstnum']) . "\n" . str_replace(" ","",str_replace(" ","+",(" " . urldecode($_GET['oper']) . " "))) . "\n" . urldecode($_GET['secnum'])); exec("tclsh " . dirname(__FILE__) . "/calculator.tcl < " . dirname(__FILE__) . "/calculator.txt | tail -1 > " . dirname(__FILE__) . "/calculator.out"); header("Location: ./calculator.php?read=" . urlencode(file_get_contents(dirname(__FILE__) . "/calculator.out")) . "&via=" . urlencode(file_get_contents(dirname(__FILE__) . "/calculator.txt"))); exit; } else { echo "Calculator via TCL - RJM Programming - October, 2014

"; echo "



Calculator via TCL



First Number: :Second Number
"; } ?>