slurp "my_other_stuff";

##</code><code>##

# here is my file of common stuff
package my_stuff; # this tells perl how to name this collection of things

sub my_function {
   # stuff
}

1;  # this let's perl know that the package has loaded ok.

##</code><code>##

#!/usr/bin/perl

use my_stuff;   # this will look for a package named "my_stuff.pm" in the directories listed in @INC

my_stuff::my_function($arg1,$arg2);