#!/usr/local/bin/perl

my @array = ( '1-1', '2-5', '1-10', '1-3','2-1');

print "value :" , $_ , ":\n" foreach ( sort @array );


##</code><code>##

value :1-1:
value :1-10:
value :1-3:
value :2-1:
value :2-5:

##</code><code>##

value :1-1:
value :1-3:
value :1-10:
value :2-1:
value :2-5: