sub close {
   chomp(my $data = $t->get("1.0", "end"));

   open (TEMP, ">compare") || $t->insert("end", "Cannot open \"compare\"\n");
   print TEMP $data;
   close(TEMP);

   if ($filename ne "") {
      my $compare = compare($filename, "compare");
      if ($compare == 0) {
         exit;
      }elsif ($compare == -1) {
         $status->insert("end", "There was an error while comparing!\n");
      }else{
         my $sw = MainWindow->new(-title=>"Content Has Changed");
         my $frame = $sw->Frame->pack(-side => 'top', -fill => 'x');
         $frame->Label(-text => "Would you like to save before exiting?")->
                       pack(-side => 'left', -anchor => 'w');
         $frame->Button(-text => "No", -background => 'navy blue', -foreground => 'white', -command => sub {exit;})->
                        pack(-side => 'right'); 
         $frame->Button(-text => "Yes", -background => 'navy blue', -foreground => 'white', -command =>\&save_and_exit)->
                        pack(-side => 'right'); 
      }
   }else{
      my $sw = MainWindow->new(-title=>"Save File?");
      my $frame = $sw->Frame->pack(-side => 'top', -fill => 'x');
      $frame->Label(-text => "Would you like to save before exiting?")->
                    pack(-side => 'left', -anchor => 'w');
      $frame->Button(-text => "No", -background => 'navy blue', -foreground => 'white', -command => sub {exit;})->
                     pack(-side => 'right'); 
      $frame->Button(-text => "Yes", -background => 'navy blue', -foreground => 'white', -command =>\&save_and_exit)->
                     pack(-side => 'right');     
   }
}