Point taken. I am still a learner and I try to catch up with you guys, I`ve just beat Lama book and I am going to Alpaca, so I didn`t know how to make C`s arrays of arrays or hashes with arrays, so building a real tree wasn`t possible for me yet. However one of the users offered a stack, something I did not come up with, and quite easy one in Perl... More practice I guess.
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