#!/usr/local/bin/perl

do "script1.pl";
do "script2.pl"; 

##</code><code>##

#!/usr/local/bin/perl

require "script1.pl";
require "script2.pl";

##</code><code>##

#!/usr/local/bin/perl
use strict;
$a = 1;

##</code><code>##

#!/usr/local/bin/perl
use strict;
do "script1.pl";
do "script2.pl"; 

print $a;