+ attendance=()
+ for att in attendance attendance{0..100}; do
+ [ -n "$_POST[\"$att\"]" ] && attendance+=("$_POST[\"$att\"]")
+ done
+ sed -rn 's:^(.+)'$card'$:\1:p' "$attfile" |while read course; do
+ touch "$_DATA/ical/$course"
+ done
+ sed -i -r '/^(.+)\t'$card'$/d' "$attfile"
+ for each in $attendance; do
+ echo "$each\t$card"
+ done >>"$attfile"
+ sed -rn 's:^(.+)'$card'$:\1:p' "$attfile" |while read course; do
+ touch "$_DATA/ical/$course"
+ done
+