+for ((i=0; i<10; i++)); do
+ $old_shell killall arbtt-capture || break
+ sleep 1
+ if [[ i == 9 ]]; then
+ warn="WARNING!!! failed to kill arbtt-capture"
+ fi
+done
+for ((i=0; i<10; i++)); do
+ $new_shell killall arbtt-capture || break
+ sleep 1
+ if [[ i == 9 ]]; then
+ warn="WARNING!!! failed to kill arbtt-capture"
+ fi
+done
+
+