man Data::Compare () - compare perl data structures
NAME
Data::Compare - compare perl data structures
SYNOPSIS
use Data::Compare;
my $h = { 'foo' => [ 'bar', 'baz' ], 'FOO' => [ 'one', 'two' ] };
my @a1 = ('one', 'two');
my @a2 = ('bar', 'baz');
my %v = ( 'FOO', \@a1, 'foo', \@a2 );
# simple procedural interface
print 'structures of $h and \%v are ',
Compare($h, \%v) ? "" : "not ", "identical.\n";
# OO usage
my $c = new Data::Compare($h, \%v);
print 'structures of $h and \%v are ',
$c->Cmp ? "" : "not ", "identical.\n";
# or
my $c = new Data::Compare;
print 'structures of $h and \%v are ',
$c->Cmp($h, \%v) ? "" : "not ", "identical.\n";
DESCRIPTION
Compare two perl data structures recursively. Returns 0 if the structures differ, else returns 1.
BUGS
CWData::Compare cheats with REF, CODE and GLOB references. If such a reference is encountered in a structure being processed, the result is 0 unless references are equal.
Currently, there is no way to compare two compiled piece of code with perl so there is no hope to add a better CODE references support in CWData::Compare in a near future.
AUTHOR
Fabien Tassin fta@sofaraway.org
Copyright (c) 1999-2001 Fabien Tassin. All rights reserved. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
VERSION
Version 0.02 (25 Apr 2001)