예

cat xxx.csv | sort -n | uniq | awk -F',' '{print $2","$1}' | sort | awk -F',' '{print $2","$1}' > regi_5.csv

awk '$1 ~ /,/ {print $7} {print $5}' test

awk 'BEGIN {sum=0;}  {sum += $1;} END {print sum;}' test

sed  s'/, //'g test | awk '{print $6}'

awk 'BEGIN {getsum=0; postsum=0; others=0; } {if  ($(NF-3) == "POST") postsum+=1; else if ($(NF-3) == "GET") getsum+=1; else others+=1; } END {print getsum, postsum, others}'