version 1.78, 2002/01/14 16:32:38
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version 1.86, 2002/04/12 21:41:13
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# |
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# $Id$ |
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# |
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# Copyright Michigan State University Board of Trustees |
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# |
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# This file is part of the LearningOnline Network with CAPA (LON-CAPA). |
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# |
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# LON-CAPA is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 2 of the License, or |
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# (at your option) any later version. |
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# |
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# LON-CAPA is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with LON-CAPA; if not, write to the Free Software |
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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# |
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# /home/httpd/html/adm/gpl.txt |
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# |
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# http://www.lon-capa.org/ |
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# |
# The LearningOnline Network with CAPA |
# The LearningOnline Network with CAPA |
# Spreadsheet/Grades Display Handler |
# Spreadsheet/Grades Display Handler |
# |
# |
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# 07/09,07/14,07/21,09/01,09/10,9/11,9/12,9/13,9/14,9/17, |
# 07/09,07/14,07/21,09/01,09/10,9/11,9/12,9/13,9/14,9/17, |
# 10/16,10/17,10/20,11/05,11/28,12/27 Gerd Kortemeyer |
# 10/16,10/17,10/20,11/05,11/28,12/27 Gerd Kortemeyer |
# 01/14/02 Matthew |
# 01/14/02 Matthew |
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# 02/04/02 Matthew |
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# POD required stuff: |
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=head1 NAME |
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lonspreadsheet |
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=head1 SYNOPSIS |
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Spreadsheet interface to internal LON-CAPA data |
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=head1 DESCRIPTION |
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Lonspreadsheet provides course coordinators the ability to manage their |
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students grades online. The students are able to view their own grades, but |
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not the grades of their peers. The spreadsheet is highly customizable, |
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offering the ability to use Perl code to manipulate data, as well as many |
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built-in functions. |
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=head2 Functions available to user of lonspreadsheet |
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=over 4 |
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=cut |
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package Apache::lonspreadsheet; |
package Apache::lonspreadsheet; |
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Line 60 my %parmhash;
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Line 111 my %parmhash;
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my $includedir; |
my $includedir; |
my $tmpdir; |
my $tmpdir; |
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# ------------------------------------------------ Send critical message |
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sub send_crit_msg { |
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my ($uname,$udom,$subject,$message,$sendback) = @_; |
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my $result = &Apache::lonmsg::user_crit_msg($uname,$udom,$subject, |
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$message,$sendback); |
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return ($result eq 'ok' ? 1 : 0); |
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} |
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# ------------------------------------------------ Send noncritical message |
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sub send_msg { |
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my ($uname,$udom,$subject,$message) = @_; |
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my $result = &Apache::lonmsg::user_normal_msg($uname,$udom, |
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$subject,$message); |
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return ($result eq 'ok' ? 1 : 0); |
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} |
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# ============================================================================= |
# ============================================================================= |
# ===================================== Implements an instance of a spreadsheet |
# ===================================== Implements an instance of a spreadsheet |
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Line 71 sub initsheet {
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Line 139 sub initsheet {
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$safeeval->permit("sort"); |
$safeeval->permit("sort"); |
$safeeval->deny(":base_io"); |
$safeeval->deny(":base_io"); |
$safehole->wrap(\&Apache::lonnet::EXT,$safeeval,'&EXT'); |
$safehole->wrap(\&Apache::lonnet::EXT,$safeeval,'&EXT'); |
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$safehole->wrap(\&send_msg, $safeeval,"&send_msg"); |
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$safehole->wrap(\&send_crit_msg,$safeeval,"&send_crit_msg"); |
my $code=<<'ENDDEFS'; |
my $code=<<'ENDDEFS'; |
# ---------------------------------------------------- Inside of the safe space |
# ---------------------------------------------------- Inside of the safe space |
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Line 190 sub mask {
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Line 260 sub mask {
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return '^'.$alpha.$num."\$"; |
return '^'.$alpha.$num."\$"; |
} |
} |
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#------------------------------------------------------- |
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=item UWCALC(hashname,modules,units,date) |
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returns the proportion of the module |
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weights not previously completed by the student. |
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=over 4 |
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=item hashname |
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name of the hash the module dates have been inserted into |
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=item modules |
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reference to a cell which contains a comma deliminated list of modules |
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covered by the assignment. |
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=item units |
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reference to a cell which contains a comma deliminated list of module |
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weights with respect to the assignment |
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=item date |
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reference to a cell which contains the date the assignment was completed. |
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=back |
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=cut |
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#------------------------------------------------------- |
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sub UWCALC { |
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my ($hashname,$modules,$units,$date) = @_; |
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my @Modules = split(/,/,$modules); |
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my @Units = split(/,/,$units); |
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my $total_weight; |
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foreach (@Units) { |
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$total_weight += $_; |
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} |
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my $usum=0; |
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for (my $i=0; $i<=$#Modules; $i++) { |
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if (&HASH($hashname,$Modules[$i]) eq $date) { |
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$usum += $Units[$i]; |
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} |
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} |
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return $usum/$total_weight; |
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} |
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#------------------------------------------------------- |
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=item CDLSUM(list) |
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returns the sum of the elements in a cell which contains |
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a Comma Deliminate List of numerical values. |
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'list' is a reference to a cell which contains a comma deliminated list. |
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=cut |
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#------------------------------------------------------- |
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sub CDLSUM { |
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my ($list)=@_; |
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my $sum; |
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foreach (split/,/,$list) { |
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$sum += $_; |
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} |
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return $sum; |
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} |
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#------------------------------------------------------- |
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=item CDLITEM(list,index) |
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returns the item at 'index' in a Comma Deliminated List. |
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=over 4 |
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=item list |
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reference to a cell which contains a comma deliminated list. |
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=item index |
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the Perl index of the item requested (first element in list has |
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an index of 0) |
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=back |
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=cut |
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#------------------------------------------------------- |
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sub CDLITEM { |
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my ($list,$index)=@_; |
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my @Temp = split/,/,$list; |
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return $Temp[$index]; |
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} |
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#------------------------------------------------------- |
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=item CDLHASH(name,key,value) |
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loads a comma deliminated list of keys into |
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the hash 'name', all with a value of 'value'. |
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=over 4 |
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=item name |
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name of the hash. |
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=item key |
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(a pointer to) a comma deliminated list of keys. |
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=item value |
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a single value to be entered for each key. |
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=back |
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=cut |
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#------------------------------------------------------- |
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sub CDLHASH { |
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my ($name,$key,$value)=@_; |
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my @Keys; |
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my @Values; |
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# Check to see if we have multiple $key values |
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if ($key =~ /[A-z](\-[A-z])?\d+(\-\d+)?/) { |
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my $keymask = &mask($key); |
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# Assume the keys are addresses |
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my @Temp = grep /$keymask/,keys(%v); |
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@Keys = $v{@Temp}; |
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} else { |
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$Keys[0]= $key; |
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} |
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my @Temp; |
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foreach $key (@Keys) { |
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@Temp = (@Temp, split/,/,$key); |
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} |
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@Keys = @Temp; |
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if ($value =~ /[A-z](\-[A-z])?\d+(\-\d+)?/) { |
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my $valmask = &mask($value); |
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my @Temp = grep /$valmask/,keys(%v); |
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@Values =$v{@Temp}; |
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} else { |
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$Values[0]= $value; |
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} |
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$value = $Values[0]; |
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# Add values to hash |
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for (my $i = 0; $i<=$#Keys; $i++) { |
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my $key = $Keys[$i]; |
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if (! exists ($hashes{$name}->{$key})) { |
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$hashes{$name}->{$key}->[0]=$value; |
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} else { |
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my @Temp = sort(@{$hashes{$name}->{$key}},$value); |
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$hashes{$name}->{$key} = \@Temp; |
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} |
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} |
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return "hash '$name' updated"; |
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} |
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#------------------------------------------------------- |
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=item GETHASH(name,key,index) |
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returns the element in hash 'name' |
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reference by the key 'key', at index 'index' in the values list. |
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=cut |
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#------------------------------------------------------- |
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sub GETHASH { |
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my ($name,$key,$index)=@_; |
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if (! defined($index)) { |
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$index = 0; |
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} |
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if ($key =~ /^[A-z]\d+$/) { |
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$key = $v{$key}; |
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} |
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return $hashes{$name}->{$key}->[$index]; |
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} |
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#------------------------------------------------------- |
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=item CLEARHASH(name) |
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clears all the values from the hash 'name' |
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=item CLEARHASH(name,key) |
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clears all the values from the hash 'name' associated with the given key. |
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=cut |
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#------------------------------------------------------- |
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sub CLEARHASH { |
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my ($name,$key)=@_; |
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if (defined($key)) { |
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if (exists($hashes{$name}->{$key})) { |
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$hashes{$name}->{$key}=undef; |
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return "hash '$name' key '$key' cleared"; |
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} |
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} else { |
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if (exists($hashes{$name})) { |
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$hashes{$name}=undef; |
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return "hash '$name' cleared"; |
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} |
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} |
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return "Error in clearing hash"; |
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} |
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#------------------------------------------------------- |
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=item HASH(name,key,value) |
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loads values into an internal hash. If a key |
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already has a value associated with it, the values are sorted numerically. |
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=item HASH(name,key) |
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returns the 0th value in the hash 'name' associated with 'key'. |
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=cut |
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#------------------------------------------------------- |
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sub HASH { |
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my ($name,$key,$value)=@_; |
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my @Keys; |
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undef @Keys; |
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my @Values; |
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# Check to see if we have multiple $key values |
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if ($key =~ /[A-z](\-[A-z])?\d+(\-\d+)?/) { |
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my $keymask = &mask($key); |
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# Assume the keys are addresses |
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my @Temp = grep /$keymask/,keys(%v); |
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@Keys = $v{@Temp}; |
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} else { |
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$Keys[0]= $key; |
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} |
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# If $value is empty, return the first value associated |
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# with the first key. |
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if (! $value) { |
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return $hashes{$name}->{$Keys[0]}->[0]; |
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} |
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# Check to see if we have multiple $value(s) |
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if ($value =~ /[A-z](\-[A-z])?\d+(\-\d+)?/) { |
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my $valmask = &mask($value); |
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my @Temp = grep /$valmask/,keys(%v); |
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@Values =$v{@Temp}; |
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} else { |
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$Values[0]= $value; |
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} |
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# Add values to hash |
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for (my $i = 0; $i<=$#Keys; $i++) { |
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my $key = $Keys[$i]; |
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my $value = ($i<=$#Values ? $Values[$i] : $Values[0]); |
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if (! exists ($hashes{$name}->{$key})) { |
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$hashes{$name}->{$key}->[0]=$value; |
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} else { |
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my @Temp = sort(@{$hashes{$name}->{$key}},$value); |
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$hashes{$name}->{$key} = \@Temp; |
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} |
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} |
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return $Values[-1]; |
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} |
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#------------------------------------------------------- |
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=item NUM(range) |
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returns the number of items in the range. |
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=cut |
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#------------------------------------------------------- |
sub NUM { |
sub NUM { |
my $mask=mask(@_); |
my $mask=mask(@_); |
my $num= $#{@{grep(/$mask/,keys(%v))}}+1; |
my $num= $#{@{grep(/$mask/,keys(%v))}}+1; |
Line 209 sub BIN {
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Line 555 sub BIN {
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} |
} |
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#------------------------------------------------------- |
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=item SUM(range) |
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returns the sum of items in the range. |
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=cut |
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#------------------------------------------------------- |
sub SUM { |
sub SUM { |
my $mask=mask(@_); |
my $mask=mask(@_); |
my $sum=0; |
my $sum=0; |
Line 218 sub SUM {
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Line 573 sub SUM {
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return $sum; |
return $sum; |
} |
} |
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#------------------------------------------------------- |
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=item MEAN(range) |
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compute the average of the items in the range. |
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=cut |
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#------------------------------------------------------- |
sub MEAN { |
sub MEAN { |
my $mask=mask(@_); |
my $mask=mask(@_); |
my $sum=0; my $num=0; |
my $sum=0; my $num=0; |
Line 232 sub MEAN {
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Line 596 sub MEAN {
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} |
} |
} |
} |
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#------------------------------------------------------- |
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=item STDDEV(range) |
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compute the standard deviation of the items in the range. |
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=cut |
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#------------------------------------------------------- |
sub STDDEV { |
sub STDDEV { |
my $mask=mask(@_); |
my $mask=mask(@_); |
my $sum=0; my $num=0; |
my $sum=0; my $num=0; |
Line 248 sub STDDEV {
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Line 621 sub STDDEV {
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return sqrt($sum/($num-1)); |
return sqrt($sum/($num-1)); |
} |
} |
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#------------------------------------------------------- |
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=item PROD(range) |
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compute the product of the items in the range. |
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=cut |
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#------------------------------------------------------- |
sub PROD { |
sub PROD { |
my $mask=mask(@_); |
my $mask=mask(@_); |
my $prod=1; |
my $prod=1; |
Line 257 sub PROD {
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Line 639 sub PROD {
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return $prod; |
return $prod; |
} |
} |
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#------------------------------------------------------- |
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=item MAX(range) |
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compute the maximum of the items in the range. |
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=cut |
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#------------------------------------------------------- |
sub MAX { |
sub MAX { |
my $mask=mask(@_); |
my $mask=mask(@_); |
my $max='-'; |
my $max='-'; |
Line 267 sub MAX {
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Line 658 sub MAX {
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return $max; |
return $max; |
} |
} |
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#------------------------------------------------------- |
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=item MIN(range) |
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compute the minimum of the items in the range. |
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=cut |
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#------------------------------------------------------- |
sub MIN { |
sub MIN { |
my $mask=mask(@_); |
my $mask=mask(@_); |
my $min='-'; |
my $min='-'; |
Line 277 sub MIN {
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Line 677 sub MIN {
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return $min; |
return $min; |
} |
} |
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#------------------------------------------------------- |
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=item SUMMAX(num,lower,upper) |
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compute the sum of the largest 'num' items in the range from |
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'lower' to 'upper' |
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=cut |
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#------------------------------------------------------- |
sub SUMMAX { |
sub SUMMAX { |
my ($num,$lower,$upper)=@_; |
my ($num,$lower,$upper)=@_; |
my $mask=mask($lower,$upper); |
my $mask=mask($lower,$upper); |
my @inside=(); |
my @inside=(); |
foreach (grep /$mask/,keys(%v)) { |
foreach (grep /$mask/,keys(%v)) { |
$inside[$#inside+1]=$v{$_}; |
push (@inside,$v{$_}); |
} |
} |
@inside=sort(@inside); |
@inside=sort(@inside); |
my $sum=0; my $i; |
my $sum=0; my $i; |
Line 292 sub SUMMAX {
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Line 702 sub SUMMAX {
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return $sum; |
return $sum; |
} |
} |
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#------------------------------------------------------- |
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=item SUMMIN(num,lower,upper) |
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compute the sum of the smallest 'num' items in the range from |
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'lower' to 'upper' |
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=cut |
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#------------------------------------------------------- |
sub SUMMIN { |
sub SUMMIN { |
my ($num,$lower,$upper)=@_; |
my ($num,$lower,$upper)=@_; |
my $mask=mask($lower,$upper); |
my $mask=mask($lower,$upper); |
Line 307 sub SUMMIN {
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Line 727 sub SUMMIN {
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return $sum; |
return $sum; |
} |
} |
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#------------------------------------------------------- |
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=item SEND_CRIT_MSG(subject,message) |
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Send a critical message to a student. |
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=cut |
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#------------------------------------------------------- |
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sub SEND_CRIT_MSG { |
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my ($subject,$message) = @_; |
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my $name = $uname; |
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my $dom = $udom; |
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return (&send_crit_msg($name,$dom,$subject,$message) ? 'Message Sent.' |
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: 'Error sending message'); |
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} |
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#------------------------------------------------------- |
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=item SEND_MSG(subject,message) |
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Send a message to a student. |
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=cut |
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#------------------------------------------------------- |
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sub SEND_MSG { |
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my ($subject,$message) = @_; |
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my $name = $uname; |
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my $dom = $udom; |
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return (&send_msg($name,$dom,$subject,$message) ? 'Message Sent.' |
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: 'Error sending message'); |
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} |
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sub expandnamed { |
sub expandnamed { |
my $expression=shift; |
my $expression=shift; |
if ($expression=~/^\&/) { |
if ($expression=~/^\&/) { |
Line 456 sub outrowassess {
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Line 910 sub outrowassess {
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'n','o','p','q','r','s','t','u','v','w','x','y','z') { |
'n','o','p','q','r','s','t','u','v','w','x','y','z') { |
my $fm=$f{$_.$n}; |
my $fm=$f{$_.$n}; |
$fm=~s/[\'\"]/\&\#34;/g; |
$fm=~s/[\'\"]/\&\#34;/g; |
$cols[$#cols+1]="'$_$n','$fm'".'___eq___'.$v{$_.$n}; |
push(@cols,"'$_$n','$fm'".'___eq___'.$v{$_.$n}); |
} |
} |
return @cols; |
return @cols; |
} |
} |
Line 815 sub outsheet {
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Line 1269 sub outsheet {
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# |
# |
# ----------------------------------------------- Read list of available sheets |
# ----------------------------------------------- Read list of available sheets |
# |
# |
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sub othersheets { |
sub othersheets { |
my ($safeeval,$stype)=@_; |
my ($safeeval,$stype)=@_; |
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# |
my $cnum=&getcnum($safeeval); |
my $cnum=&getcnum($safeeval); |
my $cdom=&getcdom($safeeval); |
my $cdom=&getcdom($safeeval); |
my $chome=&getchome($safeeval); |
my $chome=&getchome($safeeval); |
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# |
my @alternatives=(); |
my @alternatives=(); |
my $result=&Apache::lonnet::reply('dump:'.$cdom.':'.$cnum.':'. |
my %results=&Apache::lonnet::dump($stype.'_spreadsheets',$cdom,$cnum); |
$stype.'_spreadsheets',$chome); |
my ($tmp) = keys(%results); |
if ($result!~/^error\:/) { |
unless ($tmp =~ /^(con_lost|error|no_such_host)/i) { |
foreach (split(/\&/,$result)) { |
@alternatives = sort (keys(%results)); |
$alternatives[$#alternatives+1]= |
} |
&Apache::lonnet::unescape((split(/\=/,$_))[0]); |
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} |
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} |
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return @alternatives; |
return @alternatives; |
} |
} |
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# |
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# -------------------------------------- Parse a spreadsheet |
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# |
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sub parse_sheet { |
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# $sheetxml is a scalar reference or a scalar |
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my ($sheetxml) = @_; |
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if (! ref($sheetxml)) { |
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my $tmp = $sheetxml; |
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$sheetxml = \$tmp; |
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} |
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my %f; |
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my $parser=HTML::TokeParser->new($sheetxml); |
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my $token; |
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while ($token=$parser->get_token) { |
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if ($token->[0] eq 'S') { |
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if ($token->[1] eq 'field') { |
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$f{$token->[2]->{'col'}.$token->[2]->{'row'}}= |
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$parser->get_text('/field'); |
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} |
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if ($token->[1] eq 'template') { |
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$f{'template_'.$token->[2]->{'col'}}= |
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$parser->get_text('/template'); |
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} |
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} |
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} |
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return \%f; |
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} |
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# |
# |
# -------------------------------------- Read spreadsheet formulas for a course |
# -------------------------------------- Read spreadsheet formulas for a course |
# |
# |
Line 846 sub readsheet {
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Line 1325 sub readsheet {
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my $cdom=&getcdom($safeeval); |
my $cdom=&getcdom($safeeval); |
my $chome=&getchome($safeeval); |
my $chome=&getchome($safeeval); |
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# --------- There is no filename. Look for defaults in course and global, cache |
if (! defined($fn)) { |
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# There is no filename. Look for defaults in course and global, cache |
unless($fn) { |
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unless ($fn=$defaultsheets{$cnum.'_'.$cdom.'_'.$stype}) { |
unless ($fn=$defaultsheets{$cnum.'_'.$cdom.'_'.$stype}) { |
$fn=&Apache::lonnet::reply('get:'.$cdom.':'.$cnum. |
my %tmphash = &Apache::lonnet::get('environment', |
':environment:spreadsheet_default_'.$stype, |
['spreadsheet_default_'.$stype], |
$chome); |
$cdom,$cnum); |
unless (($fn) && ($fn!~/^error\:/)) { |
my ($tmp) = keys(%tmphash); |
$fn='default_'.$stype; |
if ($tmp =~ /^(con_lost|error|no_such_host)/i) { |
} |
$fn = 'default_'.$stype; |
$defaultsheets{$cnum.'_'.$cdom.'_'.$stype}=$fn; |
} else { |
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$fn = $tmphash{'spreadsheet_default_'.$stype}; |
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} |
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$defaultsheets{$cnum.'_'.$cdom.'_'.$stype}=$fn; |
} |
} |
} |
} |
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Line 875 sub readsheet {
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Line 1356 sub readsheet {
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my %f=(); |
my %f=(); |
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if ($fn=~/^default\_/) { |
if ($fn=~/^default\_/) { |
my $sheetxml=''; |
my $sheetxml=''; |
{ |
|
my $fh; |
my $fh; |
my $dfn=$fn; |
my $dfn=$fn; |
$dfn=~s/\_/\./g; |
$dfn=~s/\_/\./g; |
if ($fh=Apache::File->new($includedir.'/'.$dfn)) { |
if ($fh=Apache::File->new($includedir.'/'.$dfn)) { |
$sheetxml=join('',<$fh>); |
$sheetxml=join('',<$fh>); |
} else { |
} else { |
$sheetxml='<field row="0" col="A">"Error"</field>'; |
$sheetxml='<field row="0" col="A">"Error"</field>'; |
} |
} |
} |
%f=%{&parse_sheet(\$sheetxml)}; |
my $parser=HTML::TokeParser->new(\$sheetxml); |
} elsif($fn=~/\/*\.spreadsheet$/) { |
my $token; |
my $sheetxml=&Apache::lonnet::getfile |
while ($token=$parser->get_token) { |
(&Apache::lonnet::filelocation('',$fn)); |
if ($token->[0] eq 'S') { |
if ($sheetxml == -1) { |
if ($token->[1] eq 'field') { |
$sheetxml='<field row="0" col="A">"Error loading spreadsheet ' |
$f{$token->[2]->{'col'}.$token->[2]->{'row'}}= |
.$fn.'"</field>'; |
$parser->get_text('/field'); |
} |
} |
%f=%{&parse_sheet(\$sheetxml)}; |
if ($token->[1] eq 'template') { |
} else { |
$f{'template_'.$token->[2]->{'col'}}= |
my $sheet=''; |
$parser->get_text('/template'); |
my %tmphash = &Apache::lonnet::dump($fn,$cdom,$cnum); |
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my ($tmp) = keys(%tmphash); |
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unless ($tmp =~ /^(con_lost|error|no_such_host)/i) { |
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foreach (keys(%tmphash)) { |
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$f{$_}=$tmphash{$_}; |
} |
} |
} |
} |
} |
} |
} else { |
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my $sheet=''; |
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my $reply=&Apache::lonnet::reply('dump:'.$cdom.':'.$cnum.':'.$fn, |
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$chome); |
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unless ($reply=~/^error\:/) { |
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$sheet=$reply; |
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} |
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foreach (split(/\&/,$sheet)) { |
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my ($name,$value)=split(/\=/,$_); |
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$f{&Apache::lonnet::unescape($name)}= |
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&Apache::lonnet::unescape($value); |
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} |
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} |
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# --------------------------------------------------------------- Cache and set |
# --------------------------------------------------------------- Cache and set |
$spreadsheets{$cnum.'_'.$cdom.'_'.$stype.'_'.$fn}=join('___;___',%f); |
$spreadsheets{$cnum.'_'.$cdom.'_'.$stype.'_'.$fn}=join('___;___',%f); |
&setformulas($safeeval,%f); |
&setformulas($safeeval,%f); |
Line 2001 $tmpdir=$r->dir_config('lonDaemons').'/t
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Line 2472 $tmpdir=$r->dir_config('lonDaemons').'/t
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function celledit(cn,cf) { |
function celledit(cn,cf) { |
var cnf=prompt(cn,cf); |
var cnf=prompt(cn,cf); |
if (cnf!=null) { |
if (cnf!=null) { |
document.sheet.unewfield.value=cn; |
document.sheet.unewfield.value=cn; |
document.sheet.unewformula.value=cnf; |
document.sheet.unewformula.value=cnf; |
document.sheet.submit(); |
document.sheet.submit(); |
} |
} |