Annotation of loncom/interface/lonchart.pm, revision 1.31

1.1       www         1: # The LearningOnline Network with CAPA
1.25      minaeibi    2: # (Publication Handler
                      3: #
1.31    ! minaeibi    4: # $Id: lonchart.pm,v 1.30 2002/02/19 18:58:10 minaeibi Exp $
1.25      minaeibi    5: #
                      6: # Copyright Michigan State University Board of Trustees
                      7: #
                      8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                      9: #
                     10: # LON-CAPA is free software; you can redistribute it and/or modify
                     11: # it under the terms of the GNU General Public License as published by
                     12: # the Free Software Foundation; either version 2 of the License, or
                     13: # (at your option) any later version.
                     14: #
                     15: # LON-CAPA is distributed in the hope that it will be useful,
                     16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     18: # GNU General Public License for more details.
                     19: #
                     20: # You should have received a copy of the GNU General Public License
                     21: # along with LON-CAPA; if not, write to the Free Software
                     22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     23: #
                     24: # /home/httpd/html/adm/gpl.txt
                     25: #
                     26: # http://www.lon-capa.org/
                     27: #
                     28: #
1.1       www        29: # Homework Performance Chart
                     30: #
                     31: # (Navigate Maps Handler
                     32: #
                     33: # (Page Handler
                     34: #
                     35: # (TeX Content Handler
1.27      minaeibi   36: # YEAR=2000
1.1       www        37: # 05/29/00,05/30 Gerd Kortemeyer)
                     38: # 08/30,08/31,09/06,09/14,09/15,09/16,09/19,09/20,09/21,09/23,
                     39: # 10/02,10/10,10/14,10/16,10/18,10/19,10/31,11/6,11/14,11/16 Gerd Kortemeyer)
1.27      minaeibi   40: # YEAR=2001
1.14      minaeibi   41: # 3/1/1,6/1,17/1,29/1,30/1,31/1 Gerd Kortemeyer)
1.5       minaeibi   42: # 7/10/01 Behrouz Minaei
1.6       www        43: # 9/8 Gerd Kortemeyer
1.27      minaeibi   44: # 10/1, 10/19, 11/17, 11/22, 11/24, 11/28 12/18 Behrouz Minaei
                     45: # YEAR=2002
1.30      minaeibi   46: # 2/1, 2/6, 2/19 Behrouz Minaei
1.26      minaeibi   47: #
                     48: ###
1.1       www        49: 
                     50: package Apache::lonchart;
                     51: 
                     52: use strict;
                     53: use Apache::Constants qw(:common :http);
                     54: use Apache::lonnet();
1.28      albertel   55: use Apache::loncommon();
1.1       www        56: use HTML::TokeParser;
                     57: use GDBM_File;
                     58: 
                     59: # -------------------------------------------------------------- Module Globals
                     60: my %hash;
1.30      minaeibi   61: my %CachData;
1.1       www        62: my @cols;
                     63: my @rowlabels;
                     64: my @students;
1.30      minaeibi   65: my @PreCol;
                     66: my $r;
1.1       www        67: 
                     68: # ------------------------------------------------------------- Find out status
                     69: 
1.5       minaeibi   70: sub ExtractStudentData {
                     71:     my ($index,$coid)=@_;
                     72:     my ($sname,$sdom) = split( /\:/, $students[$index] );
                     73:     my $shome=&Apache::lonnet::homeserver( $sname,$sdom );          
                     74:     my $reply=&Apache::lonnet::reply('dump:'.$sdom.':'.$sname.':'.$coid,$shome );
                     75:     my %result=();
                     76:     my $ResId;
                     77:     my $Code;
                     78:     my $Tries;
                     79:     my $Wrongs;
1.7       minaeibi   80:     my %TempHash;
1.5       minaeibi   81:     my $Version;
1.10      minaeibi   82:     my $ProbNo;
1.26      minaeibi   83:     my $ProbSolved;
                     84:     my $ProbTotal;
1.22      minaeibi   85:     my $LatestVersion;                     
1.5       minaeibi   86:     my $Str=substr($students[$index].
                     87:             '                                                        ',0,14).' ! '.
                     88:             substr($rowlabels[$index].
                     89:             '                                                        ',0,45).' ! ';
                     90:     unless ($reply=~/^error\:/) {
1.31    ! minaeibi   91:         foreach (split(/\&/,$reply)) {
1.5       minaeibi   92:             my ($name,$value)=split(/\=/,&Apache::lonnet::unescape($_));
                     93:             $result{$name}=$value;
1.31    ! minaeibi   94:         }
1.10      minaeibi   95: 	$ProbNo = 0;
1.26      minaeibi   96: 	$ProbTotal = 0;
                     97:         $ProbSolved = 0;
1.10      minaeibi   98: 	my $IterationNo = 0;
1.5       minaeibi   99:         foreach $ResId (@cols) {
1.10      minaeibi  100: 	    if ($IterationNo == 0) {$IterationNo++; next;}
                    101: 	    if (!$ResId) { 
                    102: 		my $PrNo = sprintf( "%3d", $ProbNo );
                    103: 		$Str .= ' '.'<font color="#007700">'.$PrNo.'</font> ';
1.26      minaeibi  104: 		$ProbSolved += $ProbNo;
1.10      minaeibi  105: 		$ProbNo=0;
                    106: 		next; 
                    107: 	    }
1.5       minaeibi  108:             $ResId=~/(\d+)\.(\d+)/;
1.11      minaeibi  109: 	    my $meta=$hash{'src_'.$ResId};
                    110: 	    my $PartNo = 0;
                    111: 	    undef %TempHash;
1.31    ! minaeibi  112: 	    foreach (split(/\,/,&Apache::lonnet::metadata($meta,'keys'))) {
1.11      minaeibi  113: 		if ($_=~/^stores\_(\d+)\_tries$/) {
                    114:                     my $Part=&Apache::lonnet::metadata($meta,$_.'.part');
                    115: 		    if ( $TempHash{"$Part"} eq '' ) { 
                    116: 			$TempHash{"$Part"} = $Part;
                    117: 			$TempHash{$PartNo}=$Part;
                    118: 			$TempHash{"$Part.Code"} = ' ';  
                    119: 			$PartNo++;
                    120: 		    }
                    121: 		}
1.31    ! minaeibi  122:             }
1.11      minaeibi  123: 
1.5       minaeibi  124:             my $Prob = &Apache::lonnet::declutter( $hash{'map_id_'.$1} ).
                    125:                        '___'.$2.'___'.
                    126:                        &Apache::lonnet::declutter( $hash{'src_'.$ResId} );
                    127:             $Code=' ';
                    128:             $Tries = 0;
1.7       minaeibi  129:   	    $LatestVersion = $result{"version:$Prob"};
1.14      minaeibi  130: 
1.7       minaeibi  131:             if ( $LatestVersion ) {
                    132: 		for ( my $Version=1; $Version<=$LatestVersion; $Version++ ) {
                    133: 		    my $vkeys = $result{"$Version:keys:$Prob"};
                    134: 		    my @keys = split(/\:/,$vkeys);		  
1.14      minaeibi  135: 
1.7       minaeibi  136: 		    foreach my $Key (@keys) {		  
                    137: 			if (($Key=~/\.(\w+)\.solved$/) && ($Key!~/^\d+\:/)) {
                    138: 			    my $Part = $1;
                    139: 			    $Tries = $result{"$Version:$Prob:resource.$Part.tries"};
1.19      minaeibi  140: 			    $TempHash{"$Part.Tries"}=($Tries) ? $Tries : 0;
1.16      minaeibi  141: 			    my $Val = $result{"$Version:$Prob:resource.$Part.solved"};
1.19      minaeibi  142: 			    if ($Val eq 'correct_by_student'){$Code='*';} 
1.7       minaeibi  143: 			    elsif ($Val eq 'correct_by_override'){$Code = '+';}                        
                    144: 			    elsif ($Val eq 'incorrect_attempted'){$Code = '.';} 
                    145: 			    elsif ($Val eq 'incorrect_by_override'){$Code = '-';}
                    146: 			    elsif ($Val eq 'excused'){$Code = 'x';}
1.23      albertel  147: 			    elsif ($Val eq 'ungraded_attempted'){$Code = '#';}
1.13      minaeibi  148: 			    else {$Code = ' ';}
1.7       minaeibi  149: 			    $TempHash{"$Part.Code"} = $Code;
                    150: 			}
1.5       minaeibi  151:       		    }
                    152:                 } 
1.7       minaeibi  153: 		for ( my $n = 0; $n < $PartNo; $n++ ) {		  
                    154: 		    my $part = $TempHash{$n};
1.25      minaeibi  155: 		    my $Code = $TempHash{"$part.Code"};
                    156:                     if ( $Code eq '*') {
1.10      minaeibi  157: 			$ProbNo++;
1.19      minaeibi  158:                         if (($TempHash{"$part.Tries"}<10) ||
1.20      minaeibi  159:                             ($TempHash{"$part.Tries"} eq '')) {
1.19      minaeibi  160: 			    $TempHash{"$part.Code"}=$TempHash{"$part.Tries"};
1.10      minaeibi  161: 			}
1.7       minaeibi  162:                     }
1.25      minaeibi  163: 		    elsif ( $Code eq '+' ) {$ProbNo++;}
1.19      minaeibi  164: 		    $Str .= $TempHash{"$part.Code"};
1.26      minaeibi  165: 		    if ( $Code ne 'x' ) {$ProbTotal++;}
1.7       minaeibi  166: 		}
1.5       minaeibi  167:             }   
1.26      minaeibi  168: 	    else {
                    169: 		for(my $n=0; $n<$PartNo; $n++) {
                    170: 		    $Str.=' ';
                    171: 		    $ProbTotal++;
                    172: 		}
                    173: 	    }
1.5       minaeibi  174:         } 
1.1       www       175:     }
1.26      minaeibi  176:     my $PrTot = sprintf( "%5d", $ProbTotal );
                    177:     my $PrSvd = sprintf( "%5d", $ProbSolved );
                    178:     $Str .= ' '.'<font color="#000088">'.$PrSvd.'  /'.$PrTot.'</font> ';
1.11      minaeibi  179: 
1.10      minaeibi  180:     return $Str ;
1.1       www       181: }
                    182: 
1.5       minaeibi  183: 
1.1       www       184: # ------------------------------------------------------------ Build page table
                    185: 
                    186: sub tracetable {
                    187:     my ($rid,$beenhere)=@_;
                    188:     unless ($beenhere=~/\&$rid\&/) {
                    189:        $beenhere.=$rid.'&';  
1.7       minaeibi  190: # new ... updating the map according to sequence and page
1.1       www       191:        if (defined($hash{'is_map_'.$rid})) {
1.7       minaeibi  192: 	   my $cmap=$hash{'map_type_'.$hash{'map_pc_'.$hash{'src_'.$rid}}};
                    193:            if ( $cmap eq 'sequence' || $cmap eq 'page' ) { 
1.1       www       194:                $cols[$#cols+1]=0; 
                    195:            }
                    196:            if ((defined($hash{'map_start_'.$hash{'src_'.$rid}})) &&
                    197:                (defined($hash{'map_finish_'.$hash{'src_'.$rid}}))) {
                    198:               my $frid=$hash{'map_finish_'.$hash{'src_'.$rid}};
                    199: 
                    200:                 &tracetable($hash{'map_start_'.$hash{'src_'.$rid}},
                    201:                 '&'.$frid.'&');
                    202: 
                    203:               if ($hash{'src_'.$frid}) {
                    204:                  if ($hash{'src_'.$frid}=~
                    205:                                  /\.(problem|exam|quiz|assess|survey|form)$/) {
                    206: 		     $cols[$#cols+1]=$frid;
                    207:                  }
                    208: 	      }
                    209: 
                    210: 	   }
                    211:        } else {
                    212:           if ($hash{'src_'.$rid}) {
                    213:              if ($hash{'src_'.$rid}=~
                    214:                                  /\.(problem|exam|quiz|assess|survey|form)$/) {
                    215: 	         $cols[$#cols+1]=$rid;
                    216:              }
                    217:           }
                    218:        }
                    219:        if (defined($hash{'to_'.$rid})) {
1.31    ! minaeibi  220:           foreach (split(/\,/,$hash{'to_'.$rid})){
1.1       www       221:               &tracetable($hash{'goesto_'.$_},$beenhere);
1.31    ! minaeibi  222:           }
1.1       www       223:        }
                    224:     }
                    225: }
                    226: 
                    227: 
1.30      minaeibi  228: sub BuildChart {
                    229: # ----------------------- Get first and last resource, see if there is anything
                    230:     my $firstres=$hash{'map_start_/res/'.$ENV{'request.course.uri'}};
                    231:     my $lastres=$hash{'map_finish_/res/'.$ENV{'request.course.uri'}};
                    232:     if (($firstres) && ($lastres)) {
                    233: # ----------------------------------------------------------------- Render page
                    234: 	my $cid=$ENV{'request.course.id'};
                    235:         my $chome=$ENV{'course.'.$cid.'.home'};
                    236:         my ($cdom,$cnum)=split(/\_/,$cid);
                    237: # ---------------------------------------------- Read class list and row labels
                    238: 	my $classlst=&Apache::lonnet::reply
                    239:                             ('dump:'.$cdom.':'.$cnum.':classlist',$chome);
                    240: 	my $now=time;
                    241: 	unless ($classlst=~/^error\:/) {
1.31    ! minaeibi  242: 	    foreach my $KeyPoint(sort split(/\&/,$classlst)) {
        !           243: 		my ($name,$value)=split(/\=/,$KeyPoint);
1.30      minaeibi  244: 		my ($end,$start)=split(/\:/,&Apache::lonnet::unescape($value));
                    245: 		my $active=1;
                    246: 		if (($end) && ($now>$end)) { $active=0; }
                    247: 		if ($active) {
                    248: 		    my $thisindex=$#students+1;
                    249: 		    $name=&Apache::lonnet::unescape($name);
                    250: 		    $students[$thisindex]=$name;
                    251: 		    my ($sname,$sdom)=split(/\:/,$name);
                    252: 		    $PreCol[$thisindex]=$sname.':';
                    253: 		    my $ssec=&Apache::lonnet::usection($sdom,$sname,$cid);
                    254: 		    if ($ssec==-1) {
                    255: 			$rowlabels[$thisindex]=
                    256: 			    'Data not available: '.$name;
                    257: 		    } else {
                    258: 			my %reply=&Apache::lonnet::idrget($sdom,$sname);
                    259: 			my $reply=&Apache::lonnet::reply('get:'.$sdom.':'.$sname.
                    260:                                      ':environment:lastname&generation&firstname&middlename',
                    261:                                                  &Apache::lonnet::homeserver($sname,$sdom));
                    262: 			#$ssec=(int($ssec)) ? int($ssec) : $ssec;
1.31    ! minaeibi  263: 			my $sec=sprintf('%3s',$ssec);
        !           264: 			$rowlabels[$thisindex]=$sec.' '.$reply{$sname}.' ';
        !           265: 			$PreCol[$thisindex] .= $reply.':'.$sec;
1.30      minaeibi  266: 			my $i=0;
1.31    ! minaeibi  267: 			foreach (split(/\&/,$reply)) {
1.30      minaeibi  268: 			    $i++;
                    269: 			    if ( $_ ne '') {
                    270: 				$rowlabels[$thisindex].=&Apache::lonnet::unescape($_).' ';
                    271: 			    }
                    272: 			    if ($i == 2) {
                    273: 				chop($rowlabels[$thisindex]);
                    274: 				$rowlabels[$thisindex].=', ';
                    275: 			    }
1.31    ! minaeibi  276: 			}
1.30      minaeibi  277: 		    }
                    278: 		}
1.31    ! minaeibi  279: 	    }
1.24      minaeibi  280: 
1.30      minaeibi  281: 	} else {
                    282: 	    $r->print('<h1>Could not access course data</h1>');
                    283: 	}
                    284: 
                    285: 	my $allstudents=$#students+1;
                    286: 	$r->print('<h3>'.$allstudents.' students</h3>');
                    287: 	&CreateForm();
                    288: 	$r->rflush();
1.24      minaeibi  289: 
1.30      minaeibi  290: # --------------- Find all assessments and put them into some linear-like order
                    291: 	&tracetable($firstres,'&'.$lastres.'&');
                    292: # ----------------------------------------------------------------- Start table
1.1       www       293: 
1.30      minaeibi  294:         $r->print('<p><pre>');
                    295:  	my $index;
                    296:         for ($index=0;$index<=$#students;$index++) {
                    297: 	    my $Str=&ExtractStudentData($index,$cid);
                    298: 	    $r->print($Str.'<br>');
                    299:             $r->rflush();
                    300: 	    $CachData{$PreCol[$index]}=$Str;
                    301:         }
                    302:         $r->print('</pre>');
                    303:     } else {
                    304: 	$r->print('<h3>Undefined course sequence</h3>');
                    305:     }
                    306: }
1.1       www       307: 
1.30      minaeibi  308: sub CreateForm {
                    309:     my $Ptr = '<form name=stat method=post action="/adm/chart" >'."\n";
                    310:     $Ptr .= '<b> Sort by: &nbsp; </b>'."\n";
                    311:     $Ptr .= '&nbsp;&nbsp;&nbsp;';
                    312:     $Ptr .= '<input type=submit name=sort value="Email Name" />'."\n";
                    313:     $Ptr .= '&nbsp;&nbsp;&nbsp;';
                    314:     $Ptr .= '<input type=submit name=sort value="Last Name" />'."\n";
                    315:     $Ptr .= '&nbsp;&nbsp;&nbsp;';
                    316:     $Ptr .= '<input type=submit name=sort value="Section"/>'."\n";
                    317:     $Ptr .= '<br>';
                    318:     $Ptr .= '<input type=submit name=sort value="Recalculate Chart"/>'."\n";
                    319:     $Ptr .= '</form>'."\n";
                    320:     $r->print( $Ptr );
                    321: }
1.1       www       322: 
1.30      minaeibi  323: sub CacheChart {
                    324:     my @list = ();
                    325:     my $count=0;
                    326: 
                    327:     my $Pos = $ENV{'form.sort'};
                    328:     if ( $Pos eq 'Last Name' ) {$Pos=1;}
                    329:     elsif ( $Pos eq 'Section' ) {$Pos=2;}
                    330:     else {$Pos=0;}
                    331: 
                    332:     foreach my $key( keys %CachData) { 
                    333: 	my @Temp=split(/\:/,$key);
                    334: 	my $Use = $Temp[$Pos];
                    335: 	$list[$count]=$Use.$key.'*'.$CachData{$key};
                    336: 	$count++;
                    337:     }
1.1       www       338: 
1.30      minaeibi  339:     @list = sort (@list);
1.1       www       340: 
1.30      minaeibi  341:     $r->print('<h3>'.$count.' students</h3>');
                    342:     &CreateForm();
                    343:     $r->rflush();
                    344:     
                    345:     $r->print('<p><pre>');
                    346:     for ( my $n; $n < $count; $n++) {
                    347: 	my ($dummy, $Line) = split(/\*/,$list[$n]);
                    348: 	$r->print($Line.'<br>');
                    349:     }	
                    350:     $r->print('</pre>');
                    351: }
1.1       www       352: 
1.30      minaeibi  353: sub Start {
                    354:     undef %hash;
                    355:     undef %CachData;
                    356:     undef @students;
                    357:     undef @cols;
                    358:     undef @rowlabels;
                    359:     undef @PreCol;
                    360: 
                    361:     $r->print('<html><head><title>'.
                    362:               'LON-CAPA Assessment Chart</title></head>');
                    363:     $r->print('<body bgcolor="#FFFFFF">'.
                    364:               '<script>window.focus();</script>'.
                    365:               '<img align=right src=/adm/lonIcons/lonlogos.gif>'.
                    366:               '<h1>Assessment Chart</h1>');
1.1       www       367: # ---------------------------------------------------------------- Course title
1.30      minaeibi  368:     $r->print('<h1>'.$ENV{'course.'.$ENV{'request.course.id'}.
                    369:               '.description'}.'</h1><h3>'.localtime().
                    370:               "</h3><p><pre>1..9: correct by student in 1..9 tries\n".
                    371:               "   *: correct by student in more than 9 tries\n".
                    372: 	      "   +: correct by override\n".
                    373:               "   -: incorrect by override\n".
                    374: 	      "   .: incorrect attempted\n".
                    375: 	      "   #: ungraded attempted\n".
                    376:               "    : not attempted\n".
                    377: 	      "   x: excused</pre><p>"); 
1.1       www       378: # ------------------------------- This is going to take a while, produce output
1.30      minaeibi  379:     $r->rflush();
1.1       www       380: 
1.30      minaeibi  381:     my $cid=$ENV{'request.course.id'};
                    382:     my $ChartDB = "/home/httpd/perl/tmp/$ENV{'user.name'}".
                    383:                   "_$ENV{'user.domain'}_$cid\_chart.db";
                    384: 
                    385:     if ((-e "$ChartDB") && ($ENV{'form.sort'} ne 'Recalculate Chart')) {
                    386: 	if (tie(%CachData,'GDBM_File',"$ChartDB",&GDBM_READER,0640)) {
                    387: 	    &CacheChart();
                    388: 	}
                    389: 	else {
                    390: 	    $r->print("Unable to tie hash to db file");
                    391: 	}
                    392:     }
                    393:     else {
                    394: 	if (tie(%CachData,'GDBM_File',$ChartDB,&GDBM_WRCREAT,0640)) {
                    395: 	    foreach (keys %CachData) {delete $CachData{$_};}
                    396: 	    &BuildChart();
                    397: 	}
                    398: 	else {
                    399: 	    $r->print("Unable to tie hash to db file");
                    400: 	}
1.1       www       401:     }
1.30      minaeibi  402:     untie(%CachData);
                    403: }
1.1       www       404: 
1.30      minaeibi  405: # ================================================================ Main Handler
1.1       www       406: 
1.30      minaeibi  407: sub handler {
                    408:     $r=shift;
                    409:     if (&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) {
                    410: # ------------------------------------------- Set document type for header only
                    411: 	if ($r->header_only) {
                    412: 	    if ($ENV{'browser.mathml'}) {
                    413: 		$r->content_type('text/xml');
                    414: 	    } else {
                    415: 		$r->content_type('text/html');
                    416: 	    }
                    417: 	    &Apache::loncommon::no_cache($r);
                    418: 	    $r->send_http_header;
                    419: 	    return OK;
                    420: 	}
1.1       www       421: 
1.30      minaeibi  422: 	my $requrl=$r->uri;
                    423: # ----------------------------------------------------------------- Tie db file
                    424: 	if ($ENV{'request.course.fn'}) {
                    425: 	    my $fn=$ENV{'request.course.fn'};
                    426: 	    if (-e "$fn.db") {
                    427: 		if (tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER,0640)) {
                    428: # ------------------------------------------------------------------- Hash tied
                    429: # ---------------------------------------------------------------- Send headers
                    430: 		    $r->content_type('text/html');
                    431: 		    $r->send_http_header;
                    432: 		    &Start();
                    433: 		    $r->print('</body></html>');                 
1.1       www       434: # ------------------------------------------------------------- End render page
1.30      minaeibi  435: 		} else {
                    436: 		    $r->content_type('text/html');
                    437: 		    $r->send_http_header;
                    438: 		    $r->print('<html><body>Coursemap undefined.</body></html>');
                    439: 		}
1.1       www       440: # ------------------------------------------------------------------ Untie hash
1.30      minaeibi  441: 		unless (untie(%hash)) {
                    442: 		    &Apache::lonnet::logthis("<font color=blue>WARNING: ".
                    443: 			     "Could not untie coursemap $fn (browse).</font>"); 
                    444: 		}
1.1       www       445: 
                    446: # -------------------------------------------------------------------- All done
1.30      minaeibi  447: 		return OK;
1.1       www       448: # ----------------------------------------------- Errors, hash could no be tied
1.30      minaeibi  449: 	    }
                    450: 	} else {
                    451: 	    $ENV{'user.error.msg'}="$requrl:bre:0:0:Course not initialized";
                    452: 	    return HTTP_NOT_ACCEPTABLE; 
                    453: 	}
                    454:     } else {
                    455: 	$ENV{'user.error.msg'}=
1.1       www       456:         $r->uri.":vgr:0:0:Cannot view grades for complete course";
1.30      minaeibi  457: 	return HTTP_NOT_ACCEPTABLE; 
                    458:     }
1.1       www       459: }
                    460: 1;
                    461: __END__
                    462: 
                    463: 
                    464: 
                    465: 
                    466: 
                    467: 
                    468: 

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>