do a simple speedtest from commandline

speedtest.sh

#!/bin/bash

links=(
	"http://mirror.nl.leaseweb.net/speedtest/1000mb.bin"
	"http://download.xs4all.nl/test/1GB.bin"
	"http://ftp.snt.utwente.nl/pub/test/1000M"
	"http://www.colocenter.nl/speedtest/1000mb.bin"
	"http://speed.transip.nl/1000mb.bin"
	"http://mirror.widexs.nl/ftp/pub/speed/1000mb.bin"
	"http://mirror.nforce.com/pub/speedtests/1000mb.bin"

	"https://speedtest2.mnd.bulk.iss.as9143.net:8888/download?size=1048576000"
)

if [ "$(which curl)" != "" ]
then
	downloader="curl -4 -o /dev/null"
elif [ "$(which wget)" != "" ]
then
	downloader="wget -4 -O /dev/null --quiet --show-progress"
else
	echo "commands 'curl' and/or 'wget' not found"
	exit
fi

for link in ${links[@]}
do
	echo "> $link"
	echo -n "run this download ? [Y/n] "
	read run_this
	if [ "$run_this" != "N" ] && [ "$run_this" != "n" ]
	then
		#echo "timeout 30s $downloader $link >/dev/null"
		timeout 30s $downloader $link >/dev/null ; echo
	fi
done