> Anyway, you can ask topic starter why he need split, while he just needs to

> > to determine if a store has a product

With the nested approach he can also use things like  keys %{$hash{$store}} to list all products.

The delimiter approach is a nice idea, but is neither shorter to write nor more efficient.

Cheers Rolf

( addicted to the Perl Programming Language)

In reply to Re^4: Possible for Map to create Hash of Hash? by LanX
in thread Possible for Map to create Hash of Hash? by konnjuta

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