#!/usr/bin/perl # (c) NueDream Inc. 2000-2001 ############## GLOBAL VARS AND CONSTS ############ $file = "questions.db"; # This is the name of your questions file $quizname = "Mathematical Statistics Sections 3.5-5.9"; # This is what appears in the TITLE $editurl = "http://mnstats.morris.umn.edu//cgi-bin/nuequiz/edit.cgi"; # Location of the edit page $passurl = "http://mnstats.morris.umn.edu//stat2611/quiz/chp3to5/admin.htm"; # Location of Password Check file if($ENV{'HTTP_REFERER'} =~ /$passurl/ || $ENV{'HTTP_REFERER'} =~ /$editurl/) { $url = editurl; ############ THESE ARE OPTIONAL CHANGES ########### $spacer = '|';# leave it unless you already have a database @list = ('a','b','c','d','e','f'); ############## GET INFO FROM WEBPAGE ############ print "Content-type: text/html\n\n"; read(STDIN, $buffer, $ENV{'CONTENT_LENGTH'}); @pairs = split(/&/, $buffer); foreach $pair (@pairs) { ($name,$value) = split (/=/, $pair); $value =~ tr/+/ /; $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("c", hex($1))/eg; $value =~ s/\n/ /g; # newlines are now spaces $value =~ s/\r//g; # removes hard returns $value =~ s/\cM//g; # deletes ^M's $FORM{$name} = $value; } ############## MAIN PROGRAM ############ if ($FORM{'action'} eq "") { print < :::: NueQuiz Administration Page :::: Administrative Menu

NOTE: MODIFYING THE DATABASE IS DISABLED IN THE DEMO.
Choose what action you wish to perform and click on the Submit button.

NueQuiz - (c) 2000 NueDream Inc. EndADMIN } elsif ( $FORM{'action'} eq "Submit" ) { $edit = $FORM{'edit'}; if ($edit =~ /\w+beg$/) { $quiz = "beginner"; } elsif ($edit =~ /\w+nov$/) { $quiz = "novice"; } elsif ($edit =~ /\w+exp$/) { $quiz = "expert"; } else { dienice("Invalid quiz type go to the Admin Page and try again"); } if ($edit =~ /^mod\w+/) { $type = "modify"; } elsif ($edit =~ /^add\w+/) { $type = "add"; } else { dienice("Invalid action to perform go to the Admin Page and try again"); } open(DATA,$file) or dienice("Couldn't open $file :: $!\n"); #flock(DATA,0); # uncomment this line if using unix based server seek(DATA,0,0); @data = ; close(DATA); ##### GENERAL ADMIN DISPLAY ##### print ":::: Quiz Administration Page :::: $ENV{'HTTP_REFERER'}\n"; print ""; print "Administrative Menu
"; print "

"; print "You are ".$type."ing a record in the $quiz quiz.\n"; print "

"; if ($type eq "add") { print "Complete the required(*) information and hit add.
"; print "You may leave some of the questions empty if you choose.
"; print "To display no reason just use a blank space in the Reason area.
"; print "\n"; print "

"; print "NueQuiz - (c) 2000 NueDream Inc.\n"; } elsif ($type eq "modify") {# modifying a database of quizzes print ""; foreach $line (@data) { ($quizin,$num,$question,$ans,$a,$b,$c,$d,$e,$f,$reason) = split(/\Q$spacer/,$line); if ($quizin eq $quiz) { print ""; print "\n "; print ""; } } print "

$num) $question

"; print "

"; print "NueQuiz - (c) 2000 NueDream Inc.\n"; } } elsif ($FORM{'action'} eq "Add") { #check if input is correct and put it into the database if ($FORM{'reason'} eq "" || $FORM{'answer'} eq "" || $FORM{$FORM{'answer'}} eq "" || $FORM{'question'} eq ""){ print "

ERROR :: Information Incomplete

Please hit your browser's back button and complete the information"; } else { open(DATA,$file) or dienice("Couldn't open $file :: $!\n"); #flock(DATA,0); # uncomment this line if using unix based server @data = ; close(DATA); $count = 0; foreach $line (@data) { ($quizin,$num,$question,$ans,$a,$b,$c,$d,$e,$f,$reason) = split(/\Q$spacer/,$line); if ($quizin eq $FORM{'quiz'}) { if ($count < $num) { $count = $num; } } } $count++; $line = $FORM{'quiz'}.$spacer.($count).$spacer.$FORM{'question'}.$spacer.$FORM{'answer'}.$spacer; foreach $i (@list){ $line .= $FORM{$i}.$spacer; } $line .= $FORM{'reason'}; open(DATA,">>".$file) or dienice("Couldn't open $file :: $!\n"); print DATA $line."\n"; close(DATA); print ":::: $quizname Administration Page ::::\n"; print ""; print "Administrative Menu
"; print "

"; print "You have successfully Added a question in the $FORM{'quiz'} $quizname quiz
\n"; print "

"; print "
You may now return to the administration page.

"; print "

"; print "NueQuiz - (c) 2000 NueDream Inc.\n"; } } elsif ($FORM{'action'} eq "Update") {# going to update a specific question open(DATA,$file) or dienice("Couldn't open $file :: $!\n"); #flock(DATA,0); # uncomment this line if using unix based server seek(DATA,0,0); @data = ; close(DATA); foreach $line (@data) { chomp($line); ($quizin,$num,$question,$ans,$a,$b,$c,$d,$e,$f,$reason) = split(/\Q$spacer/,$line); if ($quizin eq $FORM{'quiz'} && $num eq $FORM{'number'}) { $string = $FORM{'quiz'}.$spacer.$FORM{'number'}.$spacer.$FORM{'question'}.$spacer.$FORM{'answer'}.$spacer; foreach $i (@list){ $string .= $FORM{$i}.$spacer; } $string .= $FORM{'reason'}; push (@result, $string); } else { push (@result, $line); } } open(DATA,">".$file) or dienice("Couldn't open $file for overwriting:: $!\n"); #flock(DATA,0); # uncomment this line if using unix based server seek(DATA,0,0); sort @result; foreach $line (@result) { print DATA $line."\n"; } close(DATA); ##### MODIFIED QUESTION DISPLAY ##### print ":::: $quizname Administration Page ::::\n"; print ""; print "Administrative Menu
"; print "

"; print "You have successfully Modified a question in the $FORM{'quiz'} $quizname quiz
\n"; print "

"; print "
You may now return to the administration page.

"; print "

"; print "NueQuiz - (c) 2000 NueDream Inc.\n"; } elsif ($FORM{'action'} eq "Edit") {# going to edit a specific question open(DATA,$file) or dienice("Couldn't open $file :: $!\n"); #flock(DATA,0); # uncomment this line if using unix based server seek(DATA,0,0); @data = ; close(DATA); ##### EDITING QUESTION DISPLAY ##### print ":::: $quizname Administration Page ::::\n"; print ""; print "Administrative Menu
"; print "

"; print "You are Editing a record in the $FORM{'quiz'} quiz.\n"; print "

"; foreach $line (@data) { ($quizin,$num,$question,$ans,$a,$b,$c,$d,$e,$f,$reason) = split(/\Q$spacer/,$line); if ($quizin eq $FORM{'quiz'} && $question eq $FORM{'question'} && $num eq $FORM{'number'}) { print "\n"; print "

"; print "NueQuiz - (c) 2000 NueDream Inc.\n"; last; } } } elsif ($FORM{'action'} eq "Remove") {# going to remove a specific question open(DATA,$file) or dienice("Couldn't open $file :: $!\n"); #flock(DATA,0); # uncomment this line if using unix based server seek(DATA,0,0); @data = ; close(DATA); foreach $i ("beginner", "novice", "expert") { $nextnum{$i} = 0; } foreach $line (@data) { chomp($line); ($quizin,$num,$question,$ans,$a,$b,$c,$d,$e,$f,$reason) = split(/\Q$spacer/,$line); if ($quizin eq $FORM{'quiz'} && $question eq $FORM{'question'} && $num eq $FORM{'number'}) { } else { $nextnum{$quizin}++; $string = $quizin.$spacer; $string .= $nextnum{$quizin}.$spacer.$question.$spacer.$ans.$spacer; $string .= $a.$spacer.$b.$spacer.$c.$spacer.$d.$spacer.$e.$spacer.$f.$spacer; $string .= $reason; push (@result, $string); } } open(DATA,">".$file) or dienice("Couldn't open $file for overwriting:: $!\n"); #flock(DATA,0); # uncomment this line if using unix based server seek(DATA,0,0); sort @result; foreach $line (@result) { print DATA $line."\n"; } close(DATA); ##### REMOVED QUESTION DISPLAY ##### print ":::: $quizname Administration Page ::::\n"; print ""; print "Administrative Menu
"; print "

"; print "You have successfully Removed a question in the $FORM{'quiz'} $quizname quiz
\n"; print "

"; print "
You may now return to the administration page.

"; print "

"; print "NueQuiz - (c) 2000 NueDream Inc.\n"; } else { print "Content-type: text/html\n\n"; dienice("You have not used a valid way to access this program go to the Admin Page"); } } else { print "Content-type: text/html\n\n"; dienice("You have not used a vaild way to access this program."); } ############## DYING SUBROUTINE ############ sub dienice { my($msg) = @_; print ("

FATAL ERROR

\n"); print ($msg); exit; }

*Question:

*Answer	#	*Choices
	$i)
*Reasoning for answer

Question:

Answer	#	Choices
	a)
	b)
	c)
	d)
	e)
	f)
Reasoning for answer
$reason