The problem is that package doesn't in and of itself introduce a new lexical scope so the previous $value (declared in the outer file-wide scope) is still valid. If you're trying to keep things grouped in the same file then wrap each package's contents in curlies so that there's a separate explicit lexical scope (or just put things in multiple files to begin with . . . :).

Update: Added parenthetical on file scope.

The cake is a lie.
The cake is a lie.
The cake is a lie.

In reply to Re: To be, or not to be, a package? That is the question by Fletch
in thread To be, or not to be, a package? That is the question by Bloodnok

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