Tidied up sentiment script.

#!/bin/bash

#!/bin/bash

# file: prepare_data.sh

# The MIT License (MIT)

# Copyright (c) 2017 Thomas Hütter, Mateusz Pawlik.

# 

# 

# Program: Downloads and prepares data containing the sentiment dataset.

# Permission is hereby granted, free of charge, to any person obtaining a copy

# of this software and associated documentation files (the "Software"), to deal

# in the Software without restriction, including without limitation the rights

# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

# copies of the Software, and to permit persons to whom the Software is

# furnished to do so, subject to the following conditions:

# 

# 

# Author: Thomas Huetter

# The above copyright notice and this permission notice shall be included in

# all copies or substantial portions of the Software.

# create target folder and change into it

# 

mkdir sentiment

# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

cd sentiment

# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE

# SOFTWARE.

# download the data files

# Download the data files.

wget https://nlp.stanford.edu/sentiment/trainDevTestTrees_PTB.zip

wget https://nlp.stanford.edu/sentiment/trainDevTestTrees_PTB.zip

# unzip the data into folder original_data

# Extract the data into subdirectory.

unzip trainDevTestTrees_PTB.zip

unzip trainDevTestTrees_PTB.zip -d original_data

# remove zip file

rm -rf trainDevTestTrees_PTB.zip

# change to unzipped folder

cd trees

# prepare data for file L.trees

# Prepare output from 'dev.txt' and 'train.txt':

# convert dev.txt and train.txt into UTF-8 format |  replace ( by {  |   replace ) by } |   remove whitespace before '{'   | sort by number of nodes (equivalent to number of "{")

# - convert dev.txt and train.txt into UTF-8 format

iconv -f ISO-8859-1 -t "UTF-8" dev.txt train.txt  | sed -e 's/(/{/g' | sed -e 's/)/}/g' | sed -E 's/[[:space:]]([{])/\1/g' | awk '{print gsub("{","{"), $0}' | sort -n  | cut -d' ' -f2- > ../sentiment_sorted.bracket

# - replace ( by {

# - replace ) by }

# - remove whitespace before '{'

# - sort by number of nodes (equivalent to number of "{")

iconv -f ISO-8859-1 -t "UTF-8" original_data/trees/dev.txt original_data/trees/train.txt | \

sed -e 's/(/{/g' | sed -e 's/)/}/g' | sed -E 's/[[:space:]]([{])/\1/g' | \

awk '{print gsub("{","{"), $0}' | sort -n  | cut -d' ' -f2- > sentiment_sorted.bracket

# go back to the folder

# Tidy up.

cd ..

rm trainDevTestTrees_PTB.zip

rm -rf original_data

 No newline at end of file