ch03.020_best

Perl Best Practices the source code

##############################################################################
##   Code fragment (Recommended) from Chapter 3 of "Perl Best Practices"    ##
##     Copyright (c) O'Reilly & Associates, 2005. All Rights Reserved.      ##
##  See: http://www.oreilly.com/pub/a/oreilly/ask_tim/2001/codepolicy.html  ##
##############################################################################


# Standard modules...
use strict;
use warnings;
use IO::Prompt;
use Carp;
use English qw( -no_match_vars );
use Data::Alias;
use Readonly;

my $next_book;
my $target;


my %option;
my %title_of;
my %count_for;
my %is_available;
 
# and later...
 
if ($option{'count_all'} && $title_of{$next_book} =~ m/$target/xms) {
    $count_for{$next_book}++;
    $is_available{$next_book} = 1;
}