This is simply a matter of taste, IMHO. But, I have no "main" code, per se. rather..
#!perl
use strict;
use Modules;
main();
sub main
{
#main algorithm, calls to other subs
}
sub1
{#sub code}
sub2
{#sub code}
etc..
I find this method to be extremely helpful in having variables with a limited scope. Just say "NO" to globals.
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