Simple URL checker

urlchecker.sh

#!/bin/bash
#
# Checks the status of a file full of urls
# Usage: ./urlchecker.sh urls.txt
#

echo "" > urlstatus.txt

while read url
do
    urlstatus=$(curl -o /dev/null --silent --head --write-out '%{http_code}' "$url" )
    echo "$url  $urlstatus" >> urlstatus.txt
done < $1