download_prepare.sh: added utf-8 conversion also for L.trees

bolzano-address-trees/download_prepare.sh

@@ -22,8 +22,8 @@ rm -rf unzip bolzano-address-trees.zip
 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
+#     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" L.trees | tail -n +14   | 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 "{")