Little script to test download of different locations with various statistics

bench.sh

#!/usr/bin/env bash
#
# Description: Auto test download from different locations to measure speed
#

# Colors
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[0;33m'
BLUE='\033[0;94m'
MAGENTA='\033[0;35m'
CYAN='\033[0;36m'
LMAGENTA='\033[0;95m'
LCYAN='\033[0;96m'
PLAIN='\033[0m'

download() {
    local output=$(curl -m 30 -w '%{remote_ip}\t%{time_namelookup}\t%{time_starttransfer}\t%{speed_download}\t%{time_total}\n' -o /dev/null -s $1)
    local ipaddress=$(echo $output | awk '{print $1}' | sed 's/*//')
    local dnslookup=$(echo $output | awk '{print $2}' | sed 's/*//')
    local ttfb=$(echo $output | awk '{print $3}' | sed 's/*//')
    local speedtest=$(echo $output | awk '{print $4}' | sed 's/\..*//')
    local totaltime=$(echo $output | awk '{print $5}' | sed 's/*//')

    # convert B/s to MB/s
    speedtest=$((speedtest / 1024))
    speedtest=$(bc <<< "scale=2; ${speedtest} / 1024")

    # print result
    local desc=$2
    printf "${LCYAN}%-30s${GREEN}%-20s${BLUE}%-20s${MAGENTA}%-20s${RED}%-20s${LMAGENTA}%-20s${PLAIN}\n" "${desc}" "${ipaddress}" "${dnslookup}s" "${ttfb}s" "${speedtest} MB/s" "${totaltime}s"
}

wordpress_sv() {
    download 'https://www.minervanett.no/wp-content/uploads/2018/10/UiO_006-980x500.jpg' 'Image from minervanett.no'
    download 'http://wp.front.no/10mb.test' '10MB file'
    download 'http://wp.front.no/100mb.test' '100MB file'
}

new_devz() {
    download 'https://www.hivolda.no/sites/default/files/styles/banner_media_wide/public/2018-09/20180831_kvistaddalen_ms_kyrrebuxrud_012.jpg?itok=V8fPGErB' 'Image from hivolda.devz.no'
    download 'https://hivolda.devz.no/sites/default/files/10mb.test' '10MB file'
    download 'https://hivolda.devz.no/sites/default/files/100mb.test' '100MB file'
}

flamingo() {
    download 'https://www.hivolda.no/sites/default/files/styles/banner_media_wide/public/2018-09/20180831_kvistaddalen_ms_kyrrebuxrud_012.jpg?itok=jGJVvd33' 'Image from hivolda.no (PHP)'
    download 'https://www.hivolda.no/sites/default/files/10mb.test' '10MB file'
    download 'https://www.hivolda.no/sites/default/files/100mb.test' '100MB file'
}

clear

echo "WordPress server (wp.front.no)"
echo "------------------------------------------------------------------------------------------------------------------------"
printf "%-30s%-20s%-20s%-20s%-20s%-20s\n" "Description" "IPv4 address" "DNS Lookup" "TTFB" "Download Speed" "Total time"
wordpress_sv
echo ""

echo "New dev server (dev.frontkom.no)"
echo "------------------------------------------------------------------------------------------------------------------------"
printf "%-30s%-20s%-20s%-20s%-20s%-20s\n" "Description" "IPv4 address" "DNS Lookup" "TTFB" "Download Speed" "Total time"
new_devz
echo ""

echo "Flamingo Oslo Server (flamingo.front.no)"
echo "------------------------------------------------------------------------------------------------------------------------"
printf "%-30s%-20s%-20s%-20s%-20s%-20s\n" "Description" "IPv4 address" "DNS Lookup" "TTFB" "Download Speed" "Total time"
flamingo
echo ""