1Hash::Diff(3)         User Contributed Perl Documentation        Hash::Diff(3)
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NAME

6       Hash::Diff - Return difference between two hashes as a hash
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SYNOPSIS

9           use Hash::Diff qw( diff );
10           my %a = (
11                       'foo'    => 1,
12                   'bar'    => { a => 1, b => 1 },
13               );
14           my %b = (
15                       'foo'     => 2,
16                       'bar'    => { a => 1 },
17               );
18
19           my %c = %{ diff( \%a, \%b ) };
20
21           # %c = %{ foo => 1, bar => { b => 1} }
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DESCRIPTION

24       Hash::Diff returns the difference between two hashes as a hash.
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26       diff ( <hashref>, <hashref> )
27           Diffs two hashes.  Returns a reference to the new hash.
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29       left_diff ( <hashref>, <hashref> )
30           Returns the values in the left hash that is not, or different from
31           the right hash.
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CAVEATS

34       This will not handle self-referencing/recursion within hashes well.
35       This will only handle HASH and SCALAR.
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37       Plans for a future version include incorporate deep recursion
38       protection.  And support for ARRAY.
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BUGS

41       Sure!  Report here: http://rt.cpan.org/NoAuth/Bugs.html?Dist=Hash::Diff
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AUTHOR

44       Bjorn-Olav Strand <bo@startsiden.no>
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47       Copyright (c) 2010 ABC Startsiden AS. All rights reserved.
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49       This library is free software.  You can redistribute it and/or modify
50       it under the same terms as Perl itself.
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POD ERRORS

53       Hey! The above document had some coding errors, which are explained
54       below:
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56       Around line 82:
57           You forgot a '=back' before '=head1'
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61perl v5.12.3                      2010-09-22                     Hash::Diff(3)
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