Allow doing actions on "w" end.

dobroho_vechora.bash

@@ -73,6 +73,19 @@ print_messages() {
 	close_socket
 }
 
+wait_for_messages() {
+	oldlength="${length}"
+	while :; do
+		length="$(get_message 1)"
+		if [ "${oldlength}" -ne "${length}" ]; then
+			break
+		fi
+		echo -n .
+		sleep 1
+	done
+	echo
+}
+
 length=0
 while :; do
 	read cmd
@@ -101,17 +114,11 @@ while :; do
 			echo "${length}"
 			;;
 		w)
-			oldlength="${length}"
+			wait_for_messages
-			while :; do
-				length="$(get_message 1)"
-				if [ "${oldlength}" -ne "${length}" ]; then
-					break
-				fi
-				echo -n .
-				sleep 1
-			done
-			echo
 			print_messages "${length}"
+			if [ -n "${DOBROHO_VECHORA_ON_WAIT}" ]; then
+				${DOBROHO_VECHORA_ON_WAIT}
+			fi
 			;;
 		p)
 			length="$(get_message 1)"