If I'm trying to access @parts not in "foreach" @parts are empty.
You don't show the updated code, but my guess would be that you still have my @parts = ... within the foreach loop (like in your OP), instead of declaring the @parts array outside of the loop (like in the code I outlined).
If you declare it within the loop, it's lexically scoped to the loop, i.e. not accessible outside of it. Also, you'd create a new array instance on every iteration, instead of accumulating stuff in it.
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