#!/usr/bin/perl -w
use strict;

print "--------Trying with arrays-------\n";
my @a = (0, 1, 2, 3);
my $ar = \@a;       # Array reference
my $air = \$a[0]; # Reference to member of an array

print "Define array >@a<\nCreate a reference to \$a[0]\n";
print "array ref: >@$ar< \n";
print "array index ref: >$$air<\n";

pop @a;
@a[0..2] = qw(a b c);  
print "Change array to >@a<\n";
print "array ref: >@$ar< \n";
print "array index ref: >$$air<\n";   # <--- I'd like to get "a" here

__END__
--------Trying with arrays-------
Define array >0 1 2 3<
Create a reference to $a[0]
array ref: >0 1 2 3< 
array index ref: >0<
Change array to >a b c<
array ref: >a b c< 
array index ref: >a<