You can store your records in a hash (just as Beatnik pointed out :) using each record's second field for the key.

use strict;
use Data::Dumper;

my @a = qw(foo:baz:faz foo:bar:fuss);
my %h= map{ (split(/\:/,$_))[1] => $_ } @a; 
print Dumper(\%h); 

# to force a '\n' printed after each array element.
$,="\n"; 

print @h{keys %h};
[download]

Getting them inside a hash will assure that your records are sorted by the second field in alphabetical order. Here's the output:

$VAR1 = {
          'bar' => 'foo:bar:fuss',
          'baz' => 'foo:baz:faz'
        };
foo:bar:fuss
foo:baz:faz
[download]

_____________________

$"=q;grep;;$,=q"grep";for(`find . -name ".saves*~"`){s;$/;;;/(.*-(\d+)
+-.*)$/;
$_=["ps -e -o pid | "," $2 | "," -v "," "];`@$_`?{print"+ $1"}:{print"
+- $1"}&&`rm $1`;
print$\;}
[download]

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