bolzano-address-trees: added a script that downloads and prepocessed the bolzano dataset

bolzano-address-trees/download_prepare.sh

+#!/bin/bash
+# file: prepare_data.sh
+#
+# Program: Downloads and prepares data containing the address trees of Bolzano.
+#
+# Author: Thomas Huetter
+
+# create target folder and change into it
+mkdir bolzano-address-trees
+cd bolzano-address-trees
+
+# download the data files
+wget https://dbresearch.uni-salzburg.at/projects/pq-gram-ordered-labeled-trees/bolzano-address-trees.zip
+
+# unzip the data into folder bolzano-address-trees
+unzip bolzano-address-trees.zip -d original_data
+
+# remove zip file
+rm -rf unzip bolzano-address-trees.zip
+
+# change to unzipped folder
+cd original_data
+
+# prepare data for file L.trees
+#   remove header   |  remove IDs   | sort by number of nodes (equivalent to number of "{")
+tail -n +14 L.trees | sed 's/.*://' | awk '{print gsub("{","{"), $0}' | sort -n  | cut -d' ' -f2- > ../L_preprocessed.txt
+
+# prepare data for file R.trees
+#     convert file into UTF-8 format   | remove header |  remove IDs   | sort by number of nodes (equivalent to number of "{")
+iconv -f ISO-8859-1 -t "UTF-8" R.trees | tail -n +14   | sed 's/.*://' | awk '{print gsub("{","{"), $0}' | sort -n  | cut -d' ' -f2- > ../R_preprocessed.txt
+
+# go back to the folder
+cd ..
\ No newline at end of file