Two handrolled ways using the Schwartzian Transform and the GRT transform. 
#!/usr/bin/perl
use strict;
use warnings;
use Benchmark qw( cmpthese );

my @versions = qw(2.4.74 3.2.5 1.14.56 1.45.2 3.14.75);

my @sorted = map {$_->[0]}
             sort {$a->[1] cmp $b->[1]}
             map {[$_, pack "C*", split /\./]} @versions;

print join("\n", @sorted), "\n";

@sorted = map {join ".", unpack "C*", $_}
          sort
          map {pack "C*", split /\./} @versions;

print join("\n", @sorted), "\n";

[download]

Chris

In reply to Re: Sorting an array containing version numbers by Cristoforo
in thread Sorting an array containing version numbers by appu_rajiv

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