--- loncom/interface/lonstatistics.pm 2002/03/06 23:56:13 1.8
+++ loncom/interface/lonstatistics.pm 2002/03/26 18:11:32 1.14
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# (Publication Handler
#
-# $Id: lonstatistics.pm,v 1.8 2002/03/06 23:56:13 minaeibi Exp $
+# $Id: lonstatistics.pm,v 1.14 2002/03/26 18:11:32 minaeibi Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -28,9 +28,10 @@
# (Navigate problems for statistical reports
# YEAR=2001
# 5/05,7/09,7/25/01,8/11,9/13,9/26,10/5,10/9,10/22,10/26 Behrouz Minaei
-# 11/1, 11/4, 11/16, 12/14, 12/16, 12/18,12/20,12/31 Behrouz Minaei
+# 11/1,11/4,11/16,12/14,12/16,12/18,12/20,12/31 Behrouz Minaei
# YEAR=2002
-# 1/22, 2/1, 2/6, 2/25, 3/2, 3/6 Behrouz Minaei
+# 1/22,2/1,2/6,2/25,3/2,3/6,3/17,3/21,3/22,3/26 Behrouz Minaei
+#
###
package Apache::lonstatistics;
@@ -39,6 +40,7 @@ use strict;
use Apache::Constants qw(:common :http);
use Apache::lonnet();
use Apache::lonhomework;
+use Apache::loncommon;
use HTML::TokeParser;
use GDBM_File;
@@ -46,6 +48,7 @@ use GDBM_File;
my %hash;
my %CachData;
my %GraphDat;
+my %OpResp;
my %maps;
my %mapsort;
my %section;
@@ -78,7 +81,8 @@ my $HWN;
my $P_Order;
my %Header = (0,"Homework Sets Order",1,"#Stdnts",2,"Tries",3,"Mod",
4,"Mean",5,"#YES",6,"#yes",7,"%Wrng",8,"DoDiff",
- 9,"S.D.",10,"Skew.",11,"D.F.1st",12,"D.F.2nd");
+ 9,"S.D.",10,"Skew.",11,"D.F.1st",12,"D.F.2nd");#,13,"OpResp");
+
#------- Processing upperlist and lowerlist according to each problem
sub ProcessDisc {
@@ -155,17 +159,13 @@ sub NumericSort {
# ------ Create different Student Report
sub StudentReport {
-
my ($sname,$sdom)=@_;
-
if ( $sname eq 'All Students' ) {
$r->print( '<h3><font color=blue>WARNING:
Please select a student</font></h3>' );
return;
}
- my $shome=&Apache::lonnet::homeserver($sname,$sdom);
- my $reply=&Apache::lonnet::reply('dump:'.$sdom.':'.$sname.':'.$cid,$shome );
- my %result = ();
+ my %result = &Apache::lonnet::dump($cid,$sdom,$sname);
my $ResId;
my $PrOrd;
my $Code;
@@ -186,11 +186,8 @@ sub StudentReport {
"\n".'<th> Results </th>'.
"\n".'<th> Tries </th>'.
"\n".'</tr>';
- unless ($reply=~/^error\:/) {
- foreach (split(/\&/,$reply)){
- my ($name,$value)=split(/\=/,&Apache::lonnet::unescape($_));
- $result{$name}=$value;
- }
+ my ($temp)=keys(%result);
+ unless ($temp=~/^error\:/) {
foreach my $CurCol (@cols) {
if (!$CurCol){
my $Set=&Apache::lonnet::declutter($hash{'map_id_'.$1});
@@ -218,7 +215,7 @@ sub StudentReport {
my $PartNo = 0;
undef %TempHash;
foreach (split(/\,/,&Apache::lonnet::metadata($meta,'keys'))){
- if ($_=~/^stores\_(\d+)\_tries$/) {
+ if ($_=~/^stores\_(\w+)\_tries$/) {
my $Part=&Apache::lonnet::metadata($meta,$_.'.part');
if ( $TempHash{"$Part"} eq '' ) {
$TempHash{"$Part"} = $Part;
@@ -313,8 +310,6 @@ sub PreStatTable {
"_$ENV{'user.domain'}_$cid\_statistics.db";
my $GraphDB = "/home/httpd/perl/tmp/$ENV{'user.name'}".
"_$ENV{'user.domain'}_$cid\_graph.db";
- my $CachDisFac = "/home/httpd/perl/tmp/$ENV{'user.name'}".
- "_$ENV{'user.domain'}_$cid\_DiscFactor.db";
my $OpSel11='';
my $OpSel12='';
my $OpSel13='';
@@ -360,10 +355,10 @@ sub PreStatTable {
'evaluating the problem according to a Criterion<br>'.
'<b> [Applied Criterion in %27 Upper Students - '.
'Applied the same Criterion in %27 Lower Students]</b><br>'.
- '<b> 1st </b>Criterion for Sorting the Students: '.
- 'Sum of Partial Credit Awarded / Total Number of Tries<br>'.
- '<b> 2nd </b>Criterion for Sorting the Students: '.
- 'Total number of Correct Answers / Total Number of Tries'.
+ '<b> 1st Criterion</b> for Sorting the Students: '.
+ '<b>Sum of Partial Credit Awarded / Total Number of Tries</b><br>'.
+ '<b> 2nd Criterion</b> for Sorting the Students: '.
+ '<b>Total number of Correct Answers / Total Number of Tries</b>'.
'</pre>';
$r->print($Ptr);
@@ -371,7 +366,6 @@ sub PreStatTable {
if ((-e "$CacheDB")&&($ENV{'form.sort'} ne 'Recalculate Statistics')) {
if (tie(%CachData,'GDBM_File',"$CacheDB",&GDBM_READER,0640)) {
- tie(%DiscFac,'GDBM_File',$CachDisFac,&GDBM_READER,0640);
tie(%GraphDat,'GDBM_File',$GraphDB,&GDBM_WRCREAT,0640);
&Cache_Statistics();
}
@@ -381,7 +375,6 @@ sub PreStatTable {
}
else {
if (tie(%CachData,'GDBM_File',$CacheDB,&GDBM_WRCREAT,0640)) {
- tie(%DiscFac,'GDBM_File',$CachDisFac,&GDBM_WRCREAT,0640);
tie(%GraphDat,'GDBM_File',$GraphDB,&GDBM_WRCREAT,0640);
foreach (keys %DiscFac) {delete $CachData{$_};}
foreach (keys %CachData) {delete $CachData{$_};}
@@ -392,11 +385,27 @@ sub PreStatTable {
$r->print("Unable to tie hash to db file");
}
}
+
+#33333
+# my $c=0;
+# foreach (sort keys %OpResp) {
+# $r->print('<br>'.$c.$_.' ====== '.$OpResp{$_});
+# my $count=$#students+1;
+# for (my $n=0;$n<1;$n++){
+# my ($sname,$sdom)=$students[$n];
+# my $Prob=$OpResp{$_};
+##my $userview=&Apache::lonnet::ssi($hash{'src_'.$ResId});
+# $r->print('<br>'.$Prob.$sname.$sdom.$cid.
+# '<br>'.&Apache::loncommon::get_previous_attempt($Prob,$sname,$sdom,$cid));
+# #$r->print('<br>'.$Prob.$sname. ' *** '.&Apache::lonnet::ssi($hash{'src_'.$Prob}));
+# }
+# $c++;
+# }
+
#$r->print('Total instances of the problems : '.($p_count*($#students+1)));
untie(%CachData);
untie(%GraphDat);
- untie(%DiscFac);
}
@@ -440,11 +449,9 @@ sub usection {
# ------ Dump the Student's DB file and handling the data for statistics table
sub ExtractStudentData {
- my ($student,$coid)=@_;
+ my $student=shift;
my ($sname,$sdom) = split( /\:/, $student );
- my $shome=&Apache::lonnet::homeserver( $sname,$sdom );
- my $reply=&Apache::lonnet::reply('dump:'.$sdom.':'.$sname.':'.$coid,$shome );
- my %result = ();
+ my %result = &Apache::lonnet::dump($cid,$sdom,$sname);
my $ResId;
my $PrOrd;
my $Dis = '';
@@ -463,11 +470,8 @@ sub ExtractStudentData {
my $LatestVersion;
my $SecLimit;
my $MapLimit;
- unless ($reply=~/^error\:/) {
- foreach (split(/\&/,$reply)) {
- my ($name,$value)=split(/\=/,&Apache::lonnet::unescape($_));
- $result{$name}=$value;
- }
+ my ($temp)=keys(%result);
+ unless ($temp=~/^error\:/) {
foreach my $CurCol(@cols) {
($PrOrd,$ResId)=split(/\:/,$CurCol);
if ( !$CurCol ) { next; }
@@ -483,8 +487,9 @@ sub ExtractStudentData {
my $PartNo = 0;
$Dis .= ':';
undef %TempHash;
- foreach (split(/\,/,&Apache::lonnet::metadata($meta,'keys'))) {
- if ($_=~/^stores\_(\d+)\_tries$/) {
+
+ foreach (split(/\,/,&Apache::lonnet::metadata($meta,'keys'))) {
+ if ($_=~/^stores\_(\w+)\_tries$/) {
my $Part=&Apache::lonnet::metadata($meta,$_.'.part');
if ( $TempHash{"$Part"} eq '' ) {
$TempHash{"$Part"} = $Part;
@@ -493,6 +498,7 @@ sub ExtractStudentData {
$TempHash{"$Part.PrOrd"} = $PrOrd+$PartNo;
$PartNo++;
}
+ #my $Part=&Apache::lonnet::metadata($meta,$_.'.part');
}
}
@@ -508,8 +514,23 @@ sub ExtractStudentData {
for ( my $Version=1; $Version<=$LatestVersion; $Version++ ) {
my $vkeys = $result{"$Version:keys:$Prob"};
my @keys = split(/\:/,$vkeys);
-
+
foreach my $Key (@keys) {
+#333333333
+# if ($OpResp{$PrOrd}) {
+# if (($Key=~/\.(\w+)\.submission$/)) {
+# my $Resp = $result{"$Version:$Prob:$Key"};
+# $r->print('<br>'.$Prob.'<br>'.$sname.'<br>'.$PrOrd.'<br>'.$Key.'<br><b>'.$Resp.'</b>');
+# $r->rflush();
+#
+# my %submission=&Apache::lonnet::str2hash($Resp);
+# my $cb=0;
+# foreach (sort keys %submission) {
+# $r->print('<br>'.$cb.')'.$_.' ... '.$submission{$_});
+# $cb++;
+# }
+# }
+# }
if (($Key=~/\.(\w+)\.solved$/) && ($Key!~/^\d+\:/)) {
my $Part = $1;
$Tries = $result{"$Version:$Prob:resource.$Part.tries"};
@@ -520,7 +541,6 @@ sub ExtractStudentData {
$TempHash{"$Part.ParCr"} = ($ParCr) ? $ParCr : 0;
$TotalTries += $TempHash{"$Part.Tries"};
$TotParCr += $TempHash{"$Part.ParCr"};
-#$r->print($Version.'---'.$Prob.'==='.$Time.'<br>');
my $Val = $result{"$Version:$Prob:resource.$Part.solved"};
if ( $Val eq 'correct_by_student' )
{ $Wrongs = $Tries - 1; $Code = 'C'; }
@@ -542,11 +562,11 @@ sub ExtractStudentData {
{$ProbSolved++;$Yes=1;}
# my $ptr = "$hash{'title_'.$ResId}";
- my $ptr = $TempHash{$part.'.PrOrd'}.':'.$ResId;
+ my $ptr = $TempHash{$part.'.PrOrd'}.'&'.$ResId;
if ( $PartNo > 1 ) {
$ptr .= "*(part $part)";
- $Dis .= ':';
+ $Dis .= '&';
}
my $Fac = ($TempHash{"$part.Tries"}) ?
($TempHash{"$part.ParCr"}/$TempHash{"$part.Tries"}) : 0;
@@ -558,11 +578,9 @@ sub ExtractStudentData {
# $DisF .= '+'.$TempHash{"$part.Time"};
$TimeTot += $TempHash{"$part.Time"};
$Dis .= $TempHash{$part.'.PrOrd'}.'='.$DisF.'+'.$Yes;
-
- #$r->print('<br>'.$DisFactor,'###',$DiscFac{$DisFactor});
- $ptr .= ":$TempHash{$part.'.Tries'}".
- ":$TempHash{$part.'.Wrongs'}".
- ":$TempHash{$part.'.Code'}";
+ $ptr .= "&$TempHash{$part.'.Tries'}".
+ "&$TempHash{$part.'.Wrongs'}".
+ "&$TempHash{$part.'.Code'}";
push (@list, $ptr);
$TotalOpend++;
$ProbTot++;
@@ -570,7 +588,7 @@ sub ExtractStudentData {
}
#else {
#for(my $n=0; $n<$PartNo; $n++) {
- # push (@list, "$hash{'title_'.$ResId}*$ResId:0:0:U");
+ # push (@list, "$TempHash{'0'.'.PrOrd'}.':'.$ResId:0:0:U");
# $ProbTot++;
#}
#}
@@ -579,7 +597,6 @@ sub ExtractStudentData {
my $DisFac = ( $TotalTries ) ? ($TotParCr/$TotalTries) : 0;
my $DisFactor = sprintf( "%.4f", $DisFac );
$DiscFac{$DisFactor}=$Dis;
- #$r->print('<br>'.$DisFactor,'###',$DiscFac{$DisFactor});
#my $time;
#if ($ProbSolved){
#$time = int(($TimeTot/$ProbSolved)-10000000);
@@ -595,6 +612,7 @@ sub ExtractStudentData {
# ------------------------------------------------------------ Build page table
sub tracetable {
my ($rid,$beenhere)=@_;
+ my $IsMap=0;
$rid=~/(\d+)\.(\d+)/;
$maps{&Apache::lonnet::declutter($hash{'map_id_'.$1})}='';#$hash{'title_'.$rid};
#$maps{$HWN}=$hash{'title_'.$rid};
@@ -606,7 +624,9 @@ sub tracetable {
$cols[$#cols+1]=0;
$P_Order++;
$HWN=$P_Order;
- $mapsort{$HWN} = $rid.':';
+ $mapsort{$HWN} = $rid.':';
+ $IsMap=1;
+
#$maps{&Apache::lonnet::declutter($hash{'src_'.$rid})}=
# $hash{'title_'.$rid};
}
@@ -621,36 +641,54 @@ sub tracetable {
my $meta=$hash{'src_'.$frid};
my $PartNo = 0;
+ my $Part;
+ # if ($IsMap==0){
if ($meta) {
if ($meta=~/\.(problem|exam|quiz|assess|survey|form)$/) {
foreach (split(/\,/,&Apache::lonnet::metadata($meta,'keys'))) {
- if ($_=~/^stores\_(\d+)\_tries$/) {
- &Apache::lonnet::metadata($meta,$_.'.part');
+ if ($_=~/^stores\_(\w+)\_tries$/) {
+ $Part=&Apache::lonnet::metadata($meta,$_.'.part');
$P_Order++;
$mapsort{$HWN} .= '&'.$P_Order;
$PartNo++;
- $r->print('<br>'.$PartNo.'---'.$P_Order);
+ #$r->print('<br>'.$PartNo.'---'.$P_Order);
+ }
+ foreach my $K(split(/\,/,&Apache::lonnet::metadata($meta,'packages'))) {
+ if ($K=~/^optionresponse\_($Part)\_(\w+)$/) {
+ #$r->print('<br>'.$_.'...'.$P_Order.'---'.$Part);
+ $OpResp{$P_Order+1}=$frid;
+ }
+
}
}
}
}
}
+ # }
} else {
$cols[$#cols+1]=($P_Order+1).':'.$rid;
my $meta=$hash{'src_'.$rid};
my $PartNo = 0;
- if ($meta) {
+ if ($meta) {
if ($meta=~/\.(problem|exam|quiz|assess|survey|form)$/) {
- foreach (split(/\,/,&Apache::lonnet::metadata($meta,'keys'))) {
- if ($_=~/^stores\_(\d+)\_tries$/) {
- &Apache::lonnet::metadata($meta,$_.'.part');
+ foreach my $Key(split(/\,/,&Apache::lonnet::metadata($meta,'keys'))) {
+ if ($Key=~/^stores\_(\w+)\_tries$/) {
+ my $Part=&Apache::lonnet::metadata($meta,$Key.'.part');
$P_Order++;
$mapsort{$HWN} .= '&'.$P_Order;
$PartNo++;
+ foreach (split(/\,/,&Apache::lonnet::metadata($meta,'packages'))) {
+ if ($_=~/^optionresponse\_($Part)\_(\w+)$/) {
+ #$r->print('<br>'.$_.'...'.$P_Order.'---'.$Part);
+ $OpResp{$P_Order+1}=$rid;
+ }
+
+ }
+
}
}
}
- }
+ }
}
if (defined($hash{'to_'.$rid})) {
foreach (split(/\,/,$hash{'to_'.$rid})){
@@ -695,7 +733,7 @@ ENDPOP
$students[$index].'";</script>');
$r->rflush();
- &ExtractStudentData($students[$index],$cid);
+ &ExtractStudentData($students[$index]);
}
# -------------------- sorting the Data
@@ -723,7 +761,7 @@ ENDPOP
&CreateTable(1,$Hid);
for (my $i=1; $i<=$#lpr; $i++) {
my %storestats=();
- my ($PrOrd,$Prob,$Tries,$Wrongs,$Code)=split(/\:/,$list[$nIdx]);
+ my ($PrOrd,$Prob,$Tries,$Wrongs,$Code)=split(/\&/,$list[$nIdx]);
my $Temp = $Prob;
my $MxTries = 0;
my $TotalTries = 0;
@@ -743,7 +781,7 @@ ENDPOP
elsif( $Code eq 'I' ) { $Incorrect++; }
elsif( $Code eq 'O' ) { $Override++; }
elsif( $Code eq 'U' ) { $StdNo--; }
- ($PrOrd,$Prob,$Tries,$Wrongs,$Code)=split(/\:/,$list[$nIdx]);
+ ($PrOrd,$Prob,$Tries,$Wrongs,$Code)=split(/\&/,$list[$nIdx]);
}
$p_count++;
@@ -819,10 +857,10 @@ ENDPOP
my $SD = sprintf( "%.1f", $StdDev );
my $DoD = sprintf( "%.2f", $DoDiff );
my $Sk = sprintf( "%.1f", $Skewness );
- my $join = $PrOrd.':'.$Temp.':'.$StdNo.':'.
- $TotalTries.':'.$MxTries.':'.$Avg.':'.
- $YES.':'.$Override.':'.$Wrng.':'.$DoD.':'.
- $SD.':'.$Sk.':'.$_D1.':'.$_D2.':'.$Prob;
+ my $join = $PrOrd.'&'.$Temp.'&'.$StdNo.'&'.
+ $TotalTries.'&'.$MxTries.'&'.$Avg.'&'.
+ $YES.'&'.$Override.'&'.$Wrng.'&'.$DoD.'&'.
+ $SD.'&'.$Sk.'&'.$_D1.'&'.$_D2.'&'.$Prob;
$CachData{($p_count-1)}=$join;
$urlres=~/^(\w+)\/(\w+)/;
@@ -850,14 +888,14 @@ sub Cache_Statistics {
if ($Pos > 0) {$Pos++;}
$p_count = 0;
foreach my $key( keys %CachData) {
- my @Temp=split(/\:/,$CachData{$key});
+ my @Temp=split(/\&/,$CachData{$key});
if ( $Pos == 0 ) {
($UnUseful,$Useful)=split(/\>/,$Temp[$Pos]);
}
else {
$Useful = $Temp[$Pos];
}
- $list[$p_count]=$Useful.'&'.$CachData{$key};
+ $list[$p_count]=$Useful.'@'.$CachData{$key};
$p_count++;
}
@@ -871,7 +909,8 @@ sub Cache_Statistics {
&CreateTable(1,$Hid);
my @lpr=split(/\&/,$pr);
for (my $i=1; $i<=$#lpr; $i++) {
- my($Pre, $Post) = split(/\&/,$list[$nIdx]);
+ my($Pre, $Post) = split(/\@/,$list[$nIdx]);
+ #$r->print('<br>'.$Pre.'---'.$Post);
&TableRow($Post,$i,$nIdx);
$nIdx++;
}
@@ -881,7 +920,7 @@ sub Cache_Statistics {
else {
&CreateTable(0);
for ( my $nIdx = 0; $nIdx < $p_count; $nIdx++ ) {
- my($Pre, $Post) = split(/\&/,$list[$nIdx]);
+ my($Pre, $Post) = split(/\@/,$list[$nIdx]);
&TableRow($Post,$nIdx,$nIdx);
}
&CloseTable();
@@ -890,10 +929,11 @@ sub Cache_Statistics {
sub TableRow {
my ($Str,$Idx,$RealIdx)=@_;
- my($PrOrd,$Temp,$StdNo,$TotalTries,$MxTries,$Avg,$YES,
- $Override,$Wrng,$DoD,$SD,$Sk,$_D1,$_D2,$Prob)=split(/\:/,$Str);
- $r->print( "\n".'<tr>'.
+ my($PrOrd,$Temp,$StdNo,$TotalTries,$MxTries,$Avg,$YES,$Override,
+ $Wrng,$DoD,$SD,$Sk,$_D1,$_D2,$Prob)=split(/\&/,$Str);
+ my $Ptr = "\n".'<tr>'.
"\n".'<td>'.($RealIdx+1).'</td>'.
+ # "\n".'<td>'.$PrOrd.$Temp.'</td>'.
"\n".'<td>'.$Temp.'</td>'.
"\n".'<td bgcolor="#EEFFCC"> '.$StdNo.'</td>'.
"\n".'<td bgcolor="#EEFFCC">'.$TotalTries.'</td>'.
@@ -906,8 +946,14 @@ sub TableRow {
"\n".'<td bgcolor="#DDFFDD"> '.$SD.'</td>'.
"\n".'<td bgcolor="#DDFFDD"> '.$Sk.'</td>'.
"\n".'<td bgcolor="#FFDDFF"> '.$_D1.'</td>'.
- "\n".'<td bgcolor="#FFDDFF"> '.$_D2.'</td>'.
- "\n".'</tr>' );
+ "\n".'<td bgcolor="#FFDDFF"> '.$_D2.'</td>';
+# if( $OpResp{$PrOrd} ) {
+# $Ptr.='<td>'.'<input type="submit" name="OpResp" value="'."View_$PrOrd".'" />'.'</td>';
+# }
+# else {
+# $Ptr.='<td> -------- </td>';
+# }
+ $r->print("\n".$Ptr.'</tr>' );
$GraphDat{$RealIdx}=$DoD.':'.$Wrng;
}
@@ -964,6 +1010,7 @@ sub initial {
undef %CachData;
undef %GraphDat;
undef %DiscFac;
+ undef %OpResp;
undef $CurMap;
undef $CurSec;
undef $CurStu;
@@ -1010,7 +1057,6 @@ sub ClassList {
$name=&Apache::lonnet::unescape($name);
$students[$thisindex]=$name;
my ($sname,$sdom)=split(/\:/,$name);
-
#my %reply=&Apache::lonnet::idrget($sdom,$sname);
#my $reply=&Apache::lonnet::reply('get:'.$sdom.':'.$sname.
# ':environment:lastname&generation&firstname&middlename',
@@ -1019,7 +1065,6 @@ sub ClassList {
if ($ssec==-1) {next;}
$ssec=($ssec) ? $ssec : '(none)';
#$ssec=(int($ssec)) ? int($ssec) : $ssec;
- #$r->print($sname.'...'.$ssec.'<br>');
$section{$ssec}=$ssec;
if ($CurSec eq 'All Sections' || $ssec eq $CurSec) {
$students[$StudNo]=$name;
@@ -1036,18 +1081,11 @@ sub ClassList {
$r->rflush();
# --------------- Find all assessments and put them into some linear-like order
&tracetable($firstres,'&'.$lastres.'&');
-
# my $c=0;
# foreach (sort keys %mapsort) {
# $r->print('<br>'.$c.')'.$_.' ... '.$mapsort{$_});
# $c++;
# }
-#foreach(@cols) {
-# $c++;
-# $r->print('<br>'.$cols[$c]);
-#}
-#$r->print('<br> Count = '.$c);
-
}
# ------------------------------------------------------------- End render page
@@ -1092,11 +1130,7 @@ sub Menu {
else {
&initial();
&ClassList();
- if ( $content eq 'Discrimination' || #'Problem Evaluation' ||
- $content eq 'Recalculate Discrimintion Factor' ) {
- &CreateDiscFac();
- }
- elsif ( $content eq 'Student Assessment' ||
+ if ( $content eq 'Student Assessment' ||
$content eq 'Create Student Report' ) {
&StudentOptions();
&StudentReport($CurStu,$StuBox{"$CurStu"});