#!/bin/bash

function get_sum() {
  cut -d";" -f4 "$1.csv" | tail -n+2  | paste -sd+ | bc
}

hil=$(get_sum "HIL")
ste=$(get_sum "STE")
total=$(echo "$hil+$ste" | bc)
hil_perc=$(echo "$hil*100/$total" | bc)
ste_perc=$(echo "$ste*100/$total" | bc)

echo -e "HIL:\t$hil\t(${hil_perc}%)\nSTE:\t$ste\t(${ste_perc}%)\nTotal:\t$total"