in reply to Development version of a script?

The general idea is

dev.pl 
use lib '/my/svn/work/dir';
use MySweetApp;
MySweetApp->run();

[download]
prod.pl 
use lib '/production/dir';
use MySweetApp;
MySweetApp->run();

[download]
cust.pl 
use lib '/production/dir';
use MySweetApp;
MySweetApp->new('notdefault.config')->run();

[download]
File::UserConfig, Config::Any

In Section Seekers of Perl Wisdom