--- loncom/homework/default_homework.lcpm	2001/08/22 21:04:58	1.34
+++ loncom/homework/default_homework.lcpm	2001/10/01 20:15:30	1.37
@@ -16,7 +16,7 @@ sub caparesponse_check {
   #not properly used yet: calc
   #not to be used: $ans_fmt
   my ($answer,$type,$tol,$sig,$ans_fmt,$unit,$calc) = 
-	eval $expr.';return ($answer,$type,$tol,$sig,$ans_fmt,$unit,$calc);';
+	eval $_[1].';return ($answer,$type,$tol,$sig,$ans_fmt,$unit,$calc);';
 
   my $tol_type=''; # gets it's value from whether tol has a % or not done
   my $sig_lbound=''; #done
@@ -87,11 +87,11 @@ sub caparesponse_check {
   return "$result:<br />Error $error:<br />Answer $answer:<br />Response $response:<br /> type-$type|$tol|$tol_type|$sig:$sig_lbound:$sig_ubound|$unit|<br />$message$expr";
 }
 
-sub caparesponse_check_list {
-  my ($response,$expr)=@_;
+sub get_array_args {
+  my ($expr,$arg)=@_;
   # do these first, because who knows what varname the instructor might have used
   # but it probably isn't $CAPARESPONSE_CHECK_LIST_answer
-  my $CAPARESPONSE_CHECK_LIST_answer = eval $expr.';return $answer';
+  my $CAPARESPONSE_CHECK_LIST_answer = eval $expr.';return $'.$arg; #'
   my (@list) = eval $CAPARESPONSE_CHECK_LIST_answer;
   my $result='';
   $result.="error:$@:<br />";
@@ -100,6 +100,12 @@ sub caparesponse_check_list {
     $result.="list zero is undefined<br />";
     $list[0]=$CAPARESPONSE_CHECK_LIST_answer;
   }
+  return @list;
+}
+
+sub caparesponse_check_list {
+  my ($response,$expr)=@_;
+  my (@list) = &get_array_args($expr,'answer');
   my $aresult='';
   my $current_answer;
   $result.="Got response :$CAPARESPONSE_CHECK_LIST_answer:$list[0]:<br />";