scratchpad nagalenoj <i>Perlmonk nodes:</i><br/> <a href="http://www.perlmonks.com/?node_id=717769">Parsing newick trees</a> by <a href="http://www.perlmonks.com/?node_id=615480">citromatik</a> <br> <br> <a href="http://www.perlmonks.com/?node=Recommended%20Reading">Recommended Reading</a><br> <a href="http://www.perlmonks.com/?node_id=552151">Real life perl exercises</a><br>