: !/bin/sh rm -f "div_tot.csv" rm -f "egrid_tot.csv" rm -f "extn_tot.csv" awk -F',' ' { call_div = $1 call_egrid= $2 call_extn= $3 call_date= $4 call_cost= $13 tot_div_arr[call_div] += call_cost tot_egrid_arr[call_div "," call_egrid] += call_cost tot_extn_arr[call_div "," call_egrid "," call_extn] += call_cost } END { for (div in tot_div_arr) { print div "," tot_div_arr[div] >>"div_tot.csv" } for (egrid in tot_egrid_arr) { print egrid "," tot_egrid_arr[egrid] >>"egrid_tot.csv" } for (extn in tot_extn_arr) { print extn "," tot_extn_arr[extn] >>"extn_tot.csv" } } '