Natural sort the keys

sub natural_sort {
    my $i;
    s/(\d+)/pack 'aNa*', 0, length $1, $1/eg, $_ .= ' ' . $i++ for ( m
+y @x = @_ );
    @_[ map { (split)[-1] } sort @x ];
}

print join ', ', natural_sort( map {"E$_"} (1..20) );

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In reply to Re: sort after first char of hash key by thundergnat
in thread sort after first char of hash key by danj35

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