Almut has provided an excellent answer to why that technique is bad and illustrated why the internet is wonderful. The answer you got through googling illustrates the dark side of the internet. Now, if you'd have asked on PerlMonks ...

True laziness is hard work

In reply to Re^3: Getting loopy while appending HoH by GrandFather
in thread Getting loopy while appending HoH by jedikaiti

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