--- loncom/interface/statistics/lonstudentassessment.pm	2005/02/28 17:23:11	1.116
+++ loncom/interface/statistics/lonstudentassessment.pm	2005/03/10 17:33:58	1.117
@@ -1,6 +1,6 @@
 # The LearningOnline Network with CAPA
 #
-# $Id: lonstudentassessment.pm,v 1.116 2005/02/28 17:23:11 matthew Exp $
+# $Id: lonstudentassessment.pm,v 1.117 2005/03/10 17:33:58 matthew Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -939,6 +939,7 @@ sub SingleStudentTotal {
 
 my $excel_sheet;
 my $excel_workbook;
+my $format;
 
 my $filename;
 my $rows_output;
@@ -1005,9 +1006,6 @@ sub excel_initialize {
     }
     return if ($request_aborted);
     #
-    $filename = '/prtspool/'.
-        $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.
-            time.'_'.rand(1000000000).'.xls';
     #
     $excel_workbook = undef;
     $excel_sheet = undef;
@@ -1035,24 +1033,9 @@ sub excel_initialize {
     my $first_data_row = $rows_output++;
     #
     # Create sheet
-    $excel_workbook = Spreadsheet::WriteExcel->new('/home/httpd'.$filename);
-    #
-    # Check for errors
-    if (! defined($excel_workbook)) {
-        $r->log_error("Error creating excel spreadsheet $filename: $!");
-        $r->print("Problems creating new Excel file.  ".
-                  "This error has been logged.  ".
-                  "Please alert your LON-CAPA administrator");
-        return ;
-    }
-    #
-    # The excel spreadsheet stores temporary data in files, then put them
-    # together.  If needed we should be able to disable this (memory only).
-    # The temporary directory must be specified before calling 'addworksheet'.
-    # File::Temp is used to determine the temporary directory.
-    $excel_workbook->set_tempdir($Apache::lonnet::tmpdir);
-    #
-    my $format = &Apache::loncommon::define_excel_formats($excel_workbook);
+    ($excel_workbook,$filename,$format)=
+        &Apache::loncommon::create_workbook($r);
+    return if (! defined($excel_workbook));
     #
     # Add a worksheet
     my $sheetname = $ENV{'course.'.$ENV{'request.course.id'}.'.description'};