Example 8-9. examples/arrays/sort.pl

#!/usr/bin/perl
use strict;
use warnings;
 
my @data = (11, 23, 12);

my @sorted = sort @data;

my @sorted_ascii = sort {$a cmp $b} @data;

my @sorted_numeric = sort {$a <=> $b} @data;


my @sorted_by_length 
	= sort {length($a) <=> length($b)} @data;

my @sorted_by_length_and_ascii 
	= sort {
			   length($a) <=> length($b)
					   or
			   $a cmp $b
		   } @data;

my @sorted_by_abc = sort {lc($a) cmp lc($b)} @data;

my @sorted_abc_ascii 
	= sort {
           lc($a) cmp lc($b) 
                   or 
               $a cmp $b 
           } @data;