Your problem is that Perl scopes according to packages. It is not that %prod is in a different file. It is that it is in a different package. The cheesy solution is to just make %prod in your current package be the copy in the root package, which is called main: 
*prod = \%main::prod;
our %prod;

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In reply to Re: our scope and packages by tilly
in thread our scope and packages by jfrm

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