Bash script to test url and log the http response codes

testurls.sh

#!/bin/sh

input=list.txt
output=urls_result.txt
siteprefix=https://www.site.com

rm -rf $output

while read LINE
do
        url=$siteprefix${LINE:1}
        echo Processing $url
		curl -o /dev/null --silent --progress-bar --head --write-out '%{http_code} %{url_effective}\n' "$url" >> $output

done < "$input"