I prefer this type of setup:

#!/usr/bin/perl

use (pragmas);

use Modules;

my $var; declare any global variables here

main code goes here

Then my subs are at the bottem. usually in order of importance
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It's just the style that I adapted to. I have no paticular reason to use it other than its what keeps me sane :) I have tried to put subs at the top, in the middle, spread around, but I like having all my code in the order above. Makes it easier for me to work with.

-bn