#!/bin/bash

# Autor: Jakub Szefer <jakub.szefer@yale.edu>
# Date: June 5, 2019

# This script is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <https://www.gnu.org/licenses/>.

# Revisions:
#
# June 5, 2019 -- initial script
# June 9, 2019 -- update citations string printing
# Dec 12, 2019 -- save citation count and h-index history in textfile
# Jun 14, 2021 -- update output text

URL='https://scholar.google.com/citations?hl=en&user=NO1Je2kAAAAJ&view_op=list_works&sortby=pubdate'

wget -q $URL -O scholar.html

CITATIONS=$(cat scholar.html | grep -o 'Citations</a></td><td class="gsc_rsb_std">[0-9]*' | sed -n 's/.*std\">\([0-9]*\).*/\1/p')
HINDEX=$(cat scholar.html | grep -o 'h-index</a></td><td class="gsc_rsb_std">[0-9]*' | sed -n 's/.*std\">\([0-9]*\).*/\1/p')

echo "Citations: $CITATIONS, H-index: $HINDEX &#x2B1E;"
# echo "&#x2B1E; Citations: $CITATIONS &#x2B1E; H-index: $HINDEX<br/>"

TODAY=$(date)

echo "$TODAY $CITATIONS $HINDEX" >> /home/jakub/public_html/citation_history.txt

rm scholar.html