use strict;
use vars qw/..../;
use Archive::Zip qw/:ERROR_CODES/;
use CGI;
use Data::Alias;
use Date::Calc qw/Day_of_Week Decode_Date_US Decode_Month/;
use Date::Extract;
use Digest::SHA qw/sha1_base64/;
use File::Copy;
use GDBM_File;
use HTML::Defang;
use HTML::Entities;
use Image::Size;
use LWP::MediaTypes qw(guess_media_type read_media_types);
use MIME::Entity;
use MIME::Base64;
use Text::Metaphone;
use Time::HiRes qw/time/;  

BEGIN {
   $|=1;
....
   %dispatch=(
      'edit'    => \&do_edit,    
      'save'    => \&do_save,    
      'undo'    => \&do_undo,    
      'prior'   => \&do_prior,   
      'next'    => \&do_next,    
      'read'    => \&do_read,    
       ....
   };
}

$query=new CGI;
%cookie=$query->cookie('app');
%P=();
for $key ($query->param) {
   $value=encode_entities($query->param($key),'\x80-\xFF');
   $P{$key}=$value;
}
....