Ping multiple hosts and sort result by avg duration

pingall.sh

#script to ping multiple websites
#add websites you want to ping to the websites.txt file
#the output will be saved into results.txt

websitesFile=websites.txt
websiteList=$(cat  $websitesFile |tr "\n" " ")
websites=($websiteList)
timeOut=1
outputFile=results.txt


printf "Pinging %d websites from %s\n" "${#websites[@]}" $websitesFile

echo '\c' > $outputFile

for i in "${websites[@]}"
do
	ping -o -t $timeOut $i \
	  | grep round-trip \
	  | awk -v host="$i" '{split($4, a, "/"); print host,a[1]}' \
	  >> $outputFile
	echo '.\c'
done

echo "\n\nMost fastest 10 websites are:"
echo '----------------------------'

sort -nk2 $outputFile | head -n 10

exit 0