Here's mine:

(on the page)

<FORM action="upload_action.asp" method="post" enctype="multipart/form
+-data">
File on your machine to upload:
<INPUT TYPE="file" NAME="file">
[download]

(in the script)

    my $len= $Request->TotalBytes();
    my $input= $Request->BinaryRead ($len);
    # parse the stuff
    my $stuff= parse_multipart ($input);
    undef $input;  # recover memory ASAP
    my $filename= $stuff->{filename}{'#body'};
    # ... make sure the filename is OK.
    tr[\\/:][$];  # could do more.
    # write it out.
    unless (open FILE, ">" . $Server->MapPath ("uploads/$filename")) {
       $Response->Write ("The filename \"" .  $Server->HTMLEncode($fil
+ename) . "\" could not be opened for writing.  Hit the BACK button an
+d edit the form, and try again.");
       exit;
       }
    binmode FILE;    
    print FILE $stuff->{file}{'#body'};
    my $size= length $stuff->{file}{'#body'};
    delete $stuff->{file};  #recover the memory ASAP.
    close FILE;
    if (open FILE, ">" . $Server->MapPath ("uploads/$filename.comment"
+)) {
       print FILE "Comment for \"$filename\": $stuff->{comment}{'#body
+'}\n";
       print FILE "Email: $stuff->{email}{'#body'}\n";
       print FILE "Name: $stuff->{name}{'#body'}\n";
       close FILE;
       }



# return a list of parts.
# each part is a hash containing the header information
# The "filename" included in the Content-Disposition line is indexed a
+s "#filename".
# body is indexed as "#body".
# everything else indexed as header name up to (not including) the ':'
# index by the name found in the Content-Disposition line.

sub parse_multipart
 {
 my $input= shift;
 my %result;
 #first determine the delimiter
 $input =~ m/^--(.*?)\r?\n/sg;
 my $delimiter= $1;
 print "Delimiter is: [$delimiter]\n";
 print "pos: ", pos($input), "\n";
 #than split (watch for trailing newline or "--"), include leading new
+line in delimiter.
 while ($input =~ /\G(.*?)\r?\n--$delimiter(--|\r?\n)/sg) {
    my ($content,$endmark) = ($1, $2);
    #further parse each part.
    my %data;
    my ($header, $name);
    ($header, $data{'#body'})= split (/\r?\n\r?\n/, $content, 2);
    foreach my $line (split (/\r?\n/, $header)) {
       if ($line =~ /^Content-Disposition:/) {
          ($name) = $line =~ /\Wname="(.*?)"/;
          my ($filename) = $line =~ /filename="(.*?)"/;
          $data{'#filename'}= $filename   if defined $filename;
          }
       else {
          my ($tag,$value)= split (/:\s/, $line, 2);
          $data{$tag}= $value;
          }
       }
    $result{$name}= \%data;
    last  if $endmark eq '--';  # by definition, ignore anything after
+ this.
    }

 return \%result;
 }
[download]

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