+function dns_forward_args() {
+ local file="${1}"
+
+ # Do nothing if file is empty.
+ [ -s "${file}" ] || return
+
+ local cmdline
+
+ local enabled zone server remark
+ while IFS="," read -r enabled zone server remark; do
+ # Line must be enabled.
+ [ "${enabled}" = "on" ] || continue
+
+ cmdline="${cmdline} --server=/${zone}/${server}"
+ done < ${file}
+
+ echo "${cmdline}"
+}
+
+