ics="$(pdi_update_value "$ics" "$newfield" $(( $(pdi_count "$ics" "$newfield") + 1 )) '')"
printf '%s' "$ics" |grep -vx '' >"$tempfile"
REDIRECT "/courses/?e=${course}"
ics="$(pdi_update_value "$ics" "$newfield" $(( $(pdi_count "$ics" "$newfield") + 1 )) '')"
printf '%s' "$ics" |grep -vx '' >"$tempfile"
REDIRECT "/courses/?e=${course}"