ch15.002_prob

Perl Best Practices the source code

##############################################################################
## Code fragment (NOT RECOMMENDED) from Chapter 15 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;


# Use our company's proprietary OO file system interface...
# use File::Hierarchy;
 
# Make an object representing the user's home directory...
my $fs = File::Hierarchy->new('~');
 
# Then poke around inside the (array-based)  object 
# and pull out its embedded file objects...
for my $file (@{$fs->{files}}) {
    # Then poke around inside each (hash-based) file object, 
    # pull out its name, and print it...
    print $file->{name}, "\n";
}


package File::Hierarchy;

sub new {
    my ($class) = @_;
    return bless {files => []}, $class;
}

sub get_files {}