version 1.1075.2.127.2.6, 2019/02/04 01:32:50
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version 1.1075.2.127.2.9, 2020/05/25 16:46:58
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Line 82 use Crypt::DES;
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Line 82 use Crypt::DES;
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use DynaLoader; # for Crypt::DES version |
use DynaLoader; # for Crypt::DES version |
use File::Copy(); |
use File::Copy(); |
use File::Path(); |
use File::Path(); |
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use String::CRC32(); |
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use Short::URL(); |
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# ---------------------------------------------- Designs |
# ---------------------------------------------- Designs |
use vars qw(%defaultdesign); |
use vars qw(%defaultdesign); |
Line 4614 sub blockcheck {
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Line 4616 sub blockcheck {
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# boards, chat or groups, check for blocking in current course only. |
# boards, chat or groups, check for blocking in current course only. |
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if (($activity eq 'boards' || $activity eq 'chat' || |
if (($activity eq 'boards' || $activity eq 'chat' || |
$activity eq 'groups' || $activity eq 'printout') && |
$activity eq 'groups' || $activity eq 'printout' || |
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$activity eq 'reinit' || $activity eq 'alert') && |
($env{'request.course.id'})) { |
($env{'request.course.id'})) { |
foreach my $key (keys(%live_courses)) { |
foreach my $key (keys(%live_courses)) { |
if ($key ne $env{'request.course.id'}) { |
if ($key ne $env{'request.course.id'}) { |
Line 4925 END_MYBLOCK
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Line 4928 END_MYBLOCK
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$text = &mt('Printing Blocked'); |
$text = &mt('Printing Blocked'); |
} elsif ($activity eq 'passwd') { |
} elsif ($activity eq 'passwd') { |
$text = &mt('Password Changing Blocked'); |
$text = &mt('Password Changing Blocked'); |
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} elsif ($activity eq 'alert') { |
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$text = &mt('Checking Critical Messages Blocked'); |
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} elsif ($activity eq 'reinit') { |
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$text = &mt('Checking Course Update Blocked'); |
} |
} |
$output .= <<"END_BLOCK"; |
$output .= <<"END_BLOCK"; |
<div class='$class'> |
<div class='$class'> |
Line 16551 sub needs_coursereinit {
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Line 16558 sub needs_coursereinit {
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$interval = 600; |
$interval = 600; |
} |
} |
if (($now-$env{'request.course.timechecked'})>$interval) { |
if (($now-$env{'request.course.timechecked'})>$interval) { |
my $lastchange = &Apache::lonnet::get_coursechange($cdom,$cnum); |
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&Apache::lonnet::appenv({'request.course.timechecked'=>$now}); |
&Apache::lonnet::appenv({'request.course.timechecked'=>$now}); |
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my $blocked = &blocking_status('reinit',$cnum,$cdom,undef,1); |
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if ($blocked) { |
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return (); |
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} |
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my $lastchange = &Apache::lonnet::get_coursechange($cdom,$cnum); |
if ($lastchange > $env{'request.course.tied'}) { |
if ($lastchange > $env{'request.course.tied'}) { |
my %curr_reqd_hash = &Apache::lonnet::userenvironment($cdom,$cnum,'internal.releaserequired'); |
my %curr_reqd_hash = &Apache::lonnet::userenvironment($cdom,$cnum,'internal.releaserequired'); |
if ($curr_reqd_hash{'internal.releaserequired'} ne '') { |
if ($curr_reqd_hash{'internal.releaserequired'} ne '') { |
Line 16987 sub cleanup_html {
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Line 16998 sub cleanup_html {
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# Checks for critical messages and returns a redirect url if one exists. |
# Checks for critical messages and returns a redirect url if one exists. |
# $interval indicates how often to check for messages. |
# $interval indicates how often to check for messages. |
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# $context is the calling context -- roles, grades, contents, menu or flip. |
sub critical_redirect { |
sub critical_redirect { |
my ($interval) = @_; |
my ($interval,$context) = @_; |
if ((time-$env{'user.criticalcheck.time'})>$interval) { |
if ((time-$env{'user.criticalcheck.time'})>$interval) { |
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if (($env{'request.course.id'}) && (($context eq 'flip') || ($context eq 'contents'))) { |
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my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; |
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my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; |
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my $blocked = &blocking_status('alert',$cnum,$cdom,undef,1); |
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if ($blocked) { |
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my $checkrole = "cm./$cdom/$cnum"; |
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if ($env{'request.course.sec'} ne '') { |
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$checkrole .= "/$env{'request.course.sec'}"; |
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} |
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unless ((&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) && |
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($env{'request.role'} !~ m{^st\./$cdom/$cnum})) { |
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return; |
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} |
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} |
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} |
my @what=&Apache::lonnet::dump('critical', $env{'user.domain'}, |
my @what=&Apache::lonnet::dump('critical', $env{'user.domain'}, |
$env{'user.name'}); |
$env{'user.name'}); |
&Apache::lonnet::appenv({'user.criticalcheck.time'=>time}); |
&Apache::lonnet::appenv({'user.criticalcheck.time'=>time}); |
Line 17055 sub des_decrypt {
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Line 17082 sub des_decrypt {
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return $plaintext; |
return $plaintext; |
} |
} |
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sub make_short_symbs { |
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my ($cdom,$cnum,$navmap) = @_; |
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return unless (ref($navmap)); |
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my ($numnew,@errors); |
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my @toshorten = &Apache::loncommon::get_env_multiple('form.addtiny'); |
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if (@toshorten) { |
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my (%maps,%resources,%titles); |
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&Apache::loncourserespicker::enumerate_course_contents($navmap,\%maps,\%resources,\%titles, |
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'shorturls',$cdom,$cnum); |
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my %tocreate; |
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if (keys(%resources)) { |
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foreach my $item (sort {$a <=> $b} (@toshorten)) { |
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my $symb = $resources{$item}; |
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if ($symb) { |
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$tocreate{$cnum.'&'.$symb} = 1; |
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} |
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} |
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} |
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if (keys(%tocreate)) { |
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my %coursetiny = &Apache::lonnet::dump('tiny',$cdom,$cnum); |
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my $su = Short::URL->new(no_vowels => 1); |
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my $init = ''; |
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my (%newunique,%addcourse,%courseonly,%failed); |
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# get lock on tiny db |
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my $now = time; |
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my $lockhash = { |
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"lock\0$now" => $env{'user.name'}. |
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':'.$env{'user.domain'}, |
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}; |
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my $tries = 0; |
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my $gotlock = &Apache::lonnet::newput_dom('tiny',$lockhash,$cdom); |
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my ($code,$error); |
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while (($gotlock ne 'ok') && ($tries<3)) { |
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$tries ++; |
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sleep 1; |
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$gotlock = &Apache::lonnet::newput_dom('tiny',$lockhash,$cdom); |
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} |
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if ($gotlock eq 'ok') { |
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$init = &shorten_symbs($cdom,$init,$su,\%coursetiny,\%tocreate,\%newunique, |
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\%addcourse,\%courseonly,\%failed); |
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if (keys(%failed)) { |
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my $numfailed = scalar(keys(%failed)); |
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push(@errors,&mt('error: could not obtain unique six character URL for [quant,_1,resource]',$numfailed)); |
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} |
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if (keys(%newunique)) { |
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my $putres = &Apache::lonnet::newput_dom('tiny',\%newunique,$cdom); |
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if ($putres eq 'ok') { |
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$numnew = scalar(keys(%newunique)); |
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my $newputres = &Apache::lonnet::newput('tiny',\%addcourse,$cdom,$cnum); |
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unless ($newputres eq 'ok') { |
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push(@errors,&mt('error: could not store course look-up of short URLs')); |
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} |
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} else { |
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push(@errors,&mt('error: could not store unique six character URLs')); |
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} |
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} |
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} |
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} |
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} |
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return ($numnew,\@errors); |
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} |
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sub shorten_symbs { |
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my ($cdom,$init,$su,$coursetiny,$tocreate,$newunique,$addcourse,$courseonly,$failed) = @_; |
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return unless ((ref($su)) && (ref($coursetiny) eq 'HASH') && (ref($tocreate) eq 'HASH') && |
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(ref($newunique) eq 'HASH') && (ref($addcourse) eq 'HASH') && |
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(ref($courseonly) eq 'HASH') && (ref($failed) eq 'HASH')); |
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my (%possibles,%collisions); |
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foreach my $key (keys(%{$tocreate})) { |
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my $num = String::CRC32::crc32($key); |
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my $tiny = $su->encode($num,$init); |
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if ($tiny) { |
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$possibles{$tiny} = $key; |
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} |
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} |
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if (!$init) { |
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$init = 1; |
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} else { |
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$init ++; |
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} |
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if (keys(%possibles)) { |
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my @posstiny = keys(%possibles); |
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my $configuname = &Apache::lonnet::get_domainconfiguser($cdom); |
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my %currtiny = &Apache::lonnet::get('tiny',\@posstiny,$cdom,$configuname); |
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if (keys(%currtiny)) { |
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foreach my $key (keys(%currtiny)) { |
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next if ($currtiny{$key} eq ''); |
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if ($currtiny{$key} eq $possibles{$key}) { |
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my ($tcnum,$tsymb) = split(/\&/,$currtiny{$key}); |
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unless (($coursetiny->{$tsymb} eq $key) || ($addcourse->{$tsymb} eq $key) || ($courseonly->{$tsymb} eq $key)) { |
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$courseonly->{$tsymb} = $key; |
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} |
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} else { |
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$collisions{$possibles{$key}} = 1; |
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} |
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delete($possibles{$key}); |
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} |
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} |
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foreach my $key (keys(%possibles)) { |
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$newunique->{$key} = $possibles{$key}; |
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my ($tcnum,$tsymb) = split(/\&/,$possibles{$key}); |
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unless (($coursetiny->{$tsymb} eq $key) || ($addcourse->{$tsymb} eq $key) || ($courseonly->{$tsymb} eq $key)) { |
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$addcourse->{$tsymb} = $key; |
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} |
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} |
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} |
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if (keys(%collisions)) { |
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if ($init <5) { |
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if (!$init) { |
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$init = 1; |
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} else { |
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$init ++; |
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} |
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$init = &shorten_symbs($cdom,$init,$su,$coursetiny,\%collisions, |
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$newunique,$addcourse,$courseonly,$failed); |
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} else { |
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foreach my $key (keys(%collisions)) { |
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$failed->{$key} = 1; |
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} |
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} |
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} |
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return $init; |
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} |
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1; |
1; |
__END__; |
__END__; |
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