The grid generator code: 
#!/usr/bin/perl -w

use strict;
# I wrote this to generate a file, not be a cgi script, but you could.
+..
# use CGI.pm;

open GRID, '>../html/grid.html' or die $!;
select GRID;

print "<HTML><BODY>\n";
print "<FORM method=GET action=http://your.host.machine/cgi-bin/crossp
+rocess.pl>
\n";

my $cellwidth = '20';  # pixel or percent
my $cellheight = '4'; # pixels only
my $counter = 0;

sub Solid
{
    return "<TD WIDTH='$cellwidth' HEIGHT='$cellheight' ".
           "BGCOLOR='BLACK'>&nbsp;</TD>\n";
}

sub Open
{
    return "<TD WIDTH='$cellwidth' HEIGHT='$cellheight' ".
           "BGCOLOR='WHITE' VALIGN='BOTTOM'><input type=text size=1 na
+me='x' max
length=1></TD>\n";
}

sub Numbered
{
    ++$counter;
    return "<TD WIDTH='$cellwidth' HEIGHT='$cellheight' BGCOLOR='WHITE
+'".
           "ALIGN='LEFT' VALIGN='TOP'><FONT SIZE=-2>$counter</FONT><in
+put type=t
ext size=1 name='x' maxlength=1></TD>\n";
}

# These two arrays are used to generate the grid.
# numbers in @line correspond to the functions in @type.
# 0 black box, 1, white box, 2, numbered box.
my @type = ( \&Solid, \&Open, \&Numbered );
my @line = (
'020000002000002000000000000',
'020000002000002000000000000',
'010200201021111110000020000',
'010100101000001002111110000',
'010102111121111111000010020',
'010100000010001001000202010',
'211121111110001021111101010',
'100010000010001001000101010',
'100010212111001002111111110',
'100010001010000001000101010',
'100010001000021111120001010',
'102111001000000000010001010',
'101010211000000000010200200',
'101010001000000000211111111',
'101010000000211111010100100',
'102211111111100000000100100',
'100100000000102020000100100',
'000100000000101010000100100',
'002111000211111111100000000',
'000000000000101000000000000',
'000000211111111000000000000',
);

print "<TABLE BORDER=1 SHADE=0>\n";
foreach ( @line )
{
    print "<TR>\n";
    print map { &{$type[$_]} } split //;
    print "</TR>";
}
print "\n</TABLE>";
print "<input type=submit value=\"I'd like to solve the puzzle please\
+">\n";
print "\n</form>";
print "</body></html>";

[download]


And the processing code:

#! /usr/bin/perl -w
require ("cgi-lib.pl");

$success=0;

print "Content-type: text/html\n\n";

@my_query = split(/&/,$ENV{'QUERY_STRING'});

foreach (@my_query)
 {
@key_value = split(/=/,$_);
push @solved, $key_value[1];
 }

$solved_str = join('',@solved);

if ($solved_str eq "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwx
+yzabcdefgh
ijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz
+abcdefghij
klmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzab
+cd")
 {
  $success=1;
 }

if ($success)
 {
print << 'End_Of_Text';
<html>
<head>
<title>
Success.
</title>
</head>
<body bgcolor=#004400 text=ffffff>
<h3>Hooray!  You've solved the puzzle!</h3>
Congrats.  Go out, have a beer. Eat some salami.  
</body>
</html>
End_Of_Text
 }
else 
 {
print << 'End_Of_Text';
<html>
<head>
<title>
Failure.
</title>
</head>
<body bgcolor=#440000 text=ffffff>
<h3>Sorry, try again.</h3>
One of your answers is incorrect.  Click back and try again.
</body>
</html>
End_Of_Text
 }

[download]

In reply to OL Crossword puzzle server/client by wombat

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


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