ultra basic posix covid stat tracking

covid.sh

#!/bin/sh

URL="https://covidtracking.com/api/us.csv"

get(){
	curl -s "${URL}"
}

print_stats(){
	awk -F, '/^[1-9]/{
		test_hit_rate=100*($1/$3);
		hospitalization_rate=100*($4/$1);
		death_rate=100*($5/$1);
		
		printf(" - %'"'"'d", $3);
		print " patients tested.";

		printf(" - %.2f", test_hit_rate);
		print "% tested are infected." ;

		printf(" - %.2f", hospitalization_rate);
		print "% are hospitalized.";

		printf(" - %.2f", death_rate);
		print "% have died."
	}'
}

main(){
	while true; do
		echo -n "* "
		date
		get | print_stats
		sleep 3600
		echo
	done
}

main