+
+# Now display diffs between the original and modified records
+my $oldFile = "/tmp/old.txu.$$";
+my $newFile = "/tmp/new.txu.$$";
+open OLD, ">$oldFile";
+print OLD $oldText;
+close OLD;
+open NEW, ">/tmp/new.txu.$$";
+print NEW $newText;
+close NEW;
+system("diff $oldFile $newFile");
+unlink($oldFile);
+unlink($newFile);