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Manual Reference Pages  -  SORT::KEY::IPV4 (3)

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NAME

Sort::Key::IPv4 - sort IP v4 addresses

CONTENTS

SYNOPSIS



  use Sort::Key::IPv4 qw(ipv4sort);

  my @data = qw(1.1.1.1 1.1.1.0 1.1.1.2 2.1.0.3);
  my @sorted = ipv4sort @data;


  use Sort::Key::IPv4 qw(ipv4keysort);

  my @sorted = ipv4keysort { $_->ip_address } @hosts;



DESCRIPTION

This module extends the Sort::Key family of modules to support sorting of IP v4 addresses and networks.

IPv4 addresses have to match the regular expression /^\d+\.\d+\.\d+\.\d+$/. For instance 192.168.20.102.

IPv4 networks have to match the regular expression /^\d+\.\d+\.\d+\.\d+\/\d+$/. For instance 10.2.4.0/24.

    FUNCTIONS

The functions that can be imported from this module are:
ipv4sort @data returns the IPv4 addresses in @data sorted.
ripv4sort @data returns the IPv4 addresses in @data sorted in descending order.
ipv4keysort { CALC_KEY($_) } @data returns the elements on @array sorted by the IPv4 addresses resulting from applying them CALC_KEY.
ripv4keysort { CALC_KEY($_) } @data is similar to ipv4keysort but sorts the elements in descending order.
ipv4sort_inplace @data
ripv4sort_inplace @data
ipv4keysort_inplace { CALC_KEY($_) } @data
ripv4keysort_inplace { CALC_KEY($_) } @data these functions are similar respectively to ipv4sort, ripv4sort, ipv4sortkey and ripv4sortkey, but they sort the array @data in place.
netipv4sort @data
rnetipv4sort @data
netipv4keysort { CALC_KEY($_) } @data
rnetipv4keysort { CALC_KEY($_) } @data
netipv4sort_inplace @data
rnetipv4sort_inplace @data
netipv4keysort_inplace { CALC_KEY($_) } @data
rnetipv4keysort_inplace { CALC_KEY($_) } @data These functions sort network addreses (composed by an IP and a network length pair with and slash separatin them).
pack_ipv4 $key converts the IPv4 value to a 32 bits unsigned integer.
pack_netipv4 $key converts an string of the format xxx.xxx.xxx.xxx/xxx into two 32 bit unsigned numbers, the first representing the IP address and the second the network mask.

SEE ALSO

Sort::Key, Sort::Key::Maker

BUGS AND SUPPORT

Report bugs by email or using the CPAN RT system at <http://rt.cpan.org/>.

This module is hosted at GitHub: <http://github.com/salva/p5-Sort-Key-IPv4>.

COPYRIGHT AND LICENSE

Copyright X 2007, 2009, 2012 by Salvador Fandinõ, <sfandino@yahoo.com>.

This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself, either Perl version 5.8.8 or, at your option, any later version of Perl 5 you may have available.

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perl v5.20.3 SORT::KEY::IPV4 (3) 2012-05-21

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