Simple get pro mille on population from COVID-19 data

percent_pop.sh

#! /bin/bash
# To run this you will need to do first:
# 1) Get the data
#    git clone https://github.com/CSSEGISandData/COVID-19; cd COVID-19
# 2) Run this script
# 3) Optionally plot them ... example for gnuplot at the end
#
# countriesPop="Switzerland:8570 Italy:60480 Spain:46660 Germany:82790 France:66990"
# Does not for all countries, for example France has "states"
#
countriesPop="Switzerland:8570 Italy:60480 Spain:46660 Germany:82790"
# The total population here comes from a simple google search "<country> population" and it used on a /1000 base.
#
for cp in $countriesPop;
do
    cc=$(cut -d':' -f1 <<<${cp})
    pp=$(cut -d':' -f2 <<<${cp})
    cat csse_covid_19_data/csse_covid_19_daily_reports/*.csv | grep $cc | tail -26 | awk -v cc=${cc} -v pp=${pp} -F ',' '{printf("%s,%s,%s,%s,%s,%s,%s,%s\n",cc,$4,$4/pp,$5,$5/pp,$6,$6/pp,($6/$4)*100.0);}' | tee percent_pop.out
    cat percent_pop.out | grep $cc | sed "s/${cc}.//" | nl -s, | sed 's/,/ /g' > percent_pop.${cc}.out
done
#
#
# Example gnuplot
# plot 'percent_pop.Italy.out' using 1:3 with linespoints title "IT", 'percent_pop.Switzerland.out' using 1:3 with linespoints title "CH", 'percent_pop.Spain.out' using 1:3 with linespoints title "ES", 'percent_pop.Germany.out' using 1:3 with linespoints title "DE"