get the traffic and make it loop
get limit from args, and fix the comparement from [[ to ((
add kill operation if limit is over, command options processing polishes
suppress the command for debug
make option limit can take GB/GiB etc
In awk, use %.0f to replace %d, more awk friendly. Add gitignore
add iptabls drop all, add gitingore which fails in the last commit
still fix gitingore, faint...