+ while [[ ${line} =~ @URLDATE ]]
+ do
+ filename=$(sed -e "s/^.*@URLDATE{\([^}]*\)}.*$/\1/" <<<"${line}")
+ timestamp=$(curl -Lv "${filename}" 2>&1 | \grep '^< Last-Modified:' | sed -e 's/^.*Last-Modified: *//')
+ timestamp=$(date -d "${timestamp}" +'%b %e, %Y')
+ line=$(sed -e "s/@URLDATE{\([^}]*\)}/${timestamp}/" <<<"${line}")
+ done
+