Submit CURL requests in a loop with rough RPS calculation

curl_loop_RPS.sh

# Submit CURL requests in a loop with rough RPS calculation
run() {
    num_requests=0;
    start_time="$(date -u +%s)";
    base_url="localhost/entities/"

    while :; do
        endpoint={base_url}$(date +"%S")
        echo "Sending request to ${endpoint}..."
        curl -s -o /dev/null -w "Response: %{http_code}\n" ${endpoint}
        ((num_requests=num_requests+1))
        elapsed_time="$(("$(date -u +%s)"-$start_time))"
        echo
        echo "Sent "${num_requests}" requests in "${elapsed_time}" seconds @ $(awk "BEGIN {print $num_requests/$elapsed_time}") requests per second."
        echo
        sleep 5;
    done
}