Well, Oddmuse is a Wiki written in Perl, and it can be configured as a blog with categories.
As it requires basic (hmm, not too basic...) knowledge about webserver config :-) maybe it's not exactly what the OP looks for, but I think it might come near.

In reply to Re^3: Perl Blog Code by soonix
in thread Perl Blog Code by Anonymous Monk

Title:
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