--- a/bash-completion.sh	Thu Oct 08 16:45:50 2020 +0200
+++ b/bash-completion.sh	Thu Oct 08 17:23:07 2020 +0200
@@ -20,7 +20,7 @@
 		relpipe-in-jack --list-ports true --list-midi-messages false 2>/dev/null \
 			| relpipe-out-nullbyte \
 			| while _relpipe_in_jack_completion_read_nullbyte "name" "input" "output" "physical" "terminal" "mine" "midi" "type"; do
-				 if [[ "$midi" = "true" && "$output" = "true" && "$mine" = "false" ]]; then echo "$name"; fi; done
+				 if [[ "$midi" = "true" && "${!1}" = "true" && "$mine" = "false" ]]; then echo "$name"; fi; done
 	fi
 }
 
@@ -40,7 +40,11 @@
 
 	  if [[ "$w1" == "--client"                       && "x$w0" == "x" ]];    then COMPREPLY=("'relpipe-in-jack'")
 	elif [[ "$w1" == "--port"                         && "x$w0" == "x" ]];    then COMPREPLY=("'midi-in'")
-	elif [[ "$w1" == "--connect-to"                                    ]];    then COMPREPLY=($(compgen -W "$(_relpipe_in_jack_completion_ports)" -- "$w0"))
+	elif [[ "$w1" == "--connect-to"                                    ]];    then COMPREPLY=($(compgen -W "$(_relpipe_in_jack_completion_ports output)" -- "$w0"))
+	elif [[ "$w1" == "--connect-ports"                                 ]];    then COMPREPLY=($(compgen -W "$(_relpipe_in_jack_completion_ports output)" -- "$w0"))
+	elif [[ "$w2" == "--connect-ports"                                 ]];    then COMPREPLY=($(compgen -W "$(_relpipe_in_jack_completion_ports input)" -- "$w0"))
+	elif [[ "$w1" == "--disconnect-ports"                              ]];    then COMPREPLY=($(compgen -W "$(_relpipe_in_jack_completion_ports output)" -- "$w0"))
+	elif [[ "$w2" == "--disconnect-ports"                              ]];    then COMPREPLY=($(compgen -W "$(_relpipe_in_jack_completion_ports input)" -- "$w0"))
 	elif [[ "$w1" == "--required-connections"         && "x$w0" == "x" ]];    then COMPREPLY=("0")
 	elif [[ "$w1" == "--list-ports"                                    ]];    then COMPREPLY=($(compgen -W "${BOOLEAN_VALUES[*]}" -- "$w0"))
 	elif [[ "$w1" == "--list-connections"                              ]];    then COMPREPLY=($(compgen -W "${BOOLEAN_VALUES[*]}" -- "$w0"))
@@ -50,6 +54,8 @@
 			"--client"
 			"--port"
 			"--connect-to"
+			"--connect-ports"
+			"--disconnect-ports"
 			"--required-connections"
 			"--list-ports"
 			"--list-connections"

--- a/src/CLIParser.h	Thu Oct 08 16:45:50 2020 +0200
+++ b/src/CLIParser.h	Thu Oct 08 17:23:07 2020 +0200
@@ -51,6 +51,8 @@
 	static const relpipe::common::type::StringX OPTION_CLIENT;
 	static const relpipe::common::type::StringX OPTION_PORT;
 	static const relpipe::common::type::StringX OPTION_CONNECT_TO;
+	static const relpipe::common::type::StringX OPTION_CONNECT_PORTS;
+	static const relpipe::common::type::StringX OPTION_DISCONNECT_PORTS;
 	static const relpipe::common::type::StringX OPTION_REQUIRED_CONNECTIONS;
 	static const relpipe::common::type::StringX OPTION_LIST_PORTS;
 	static const relpipe::common::type::StringX OPTION_LIST_CONNECTIONS;
@@ -68,6 +70,8 @@
 				c.port = readNext(arguments, i);
 			} else if (option == OPTION_CONNECT_TO) {
 				c.connectTo.push_back(readNext(arguments, i));
+			} else if (option == OPTION_CONNECT_PORTS || option == OPTION_DISCONNECT_PORTS) {
+				c.connectionRecipes.push_back({option == OPTION_CONNECT_PORTS, readNext(arguments, i), readNext(arguments, i)});
 			} else if (option == OPTION_REQUIRED_CONNECTIONS) {
 				c.requiredConnections = std::stoi(readNext(arguments, i));
 			} else if (option == OPTION_LIST_PORTS) {
@@ -89,6 +93,8 @@
 const relpipe::common::type::StringX CLIParser::OPTION_CLIENT = L"--client";
 const relpipe::common::type::StringX CLIParser::OPTION_PORT = L"--port";
 const relpipe::common::type::StringX CLIParser::OPTION_CONNECT_TO = L"--connect-to";
+const relpipe::common::type::StringX CLIParser::OPTION_CONNECT_PORTS = L"--connect-ports";
+const relpipe::common::type::StringX CLIParser::OPTION_DISCONNECT_PORTS = L"--disconnect-ports";
 const relpipe::common::type::StringX CLIParser::OPTION_REQUIRED_CONNECTIONS = L"--required-connections";
 const relpipe::common::type::StringX CLIParser::OPTION_LIST_PORTS = L"--list-ports";
 const relpipe::common::type::StringX CLIParser::OPTION_LIST_CONNECTIONS = L"--list-connections";

--- a/src/Configuration.h	Thu Oct 08 16:45:50 2020 +0200
+++ b/src/Configuration.h	Thu Oct 08 17:23:07 2020 +0200
@@ -28,15 +28,22 @@
 
 class Configuration {
 public:
-	
-	enum class PortType {
-		MIDI_INPUT,
-		MIDI_OUTPUT
+
+	class ConnectionRecipe {
+	public:
+		bool connected;
+		relpipe::common::type::StringX sourcePort;
+		relpipe::common::type::StringX destinationPort;
+
+		ConnectionRecipe(bool connected, relpipe::common::type::StringX sourcePort, relpipe::common::type::StringX destinationPort) : connected(connected), sourcePort(sourcePort), destinationPort(destinationPort) {
+		}
+
 	};
-	
+
 	relpipe::common::type::StringX client = L"relpipe-in-jack";
 	relpipe::common::type::StringX port = L"midi-in";
 	std::vector<relpipe::common::type::StringX> connectTo;
+	std::vector<ConnectionRecipe> connectionRecipes;
 	int requiredConnections = 0;
 	relpipe::common::type::Boolean listPorts = false;
 	relpipe::common::type::Boolean listConnections = false;

--- a/src/JackCommand.h	Thu Oct 08 16:45:50 2020 +0200
+++ b/src/JackCommand.h	Thu Oct 08 17:23:07 2020 +0200
@@ -246,6 +246,14 @@
 		jack_free(sourcePortNames);
 	}
 
+	void applyConnectionRecipes() {
+		for (Configuration::ConnectionRecipe recipe : configuration.connectionRecipes) {
+			auto operation = recipe.connected ? jack_connect : jack_disconnect;
+			int result = operation(realTimeContext.jackClient, convertor.to_bytes(recipe.sourcePort).c_str(), convertor.to_bytes(recipe.destinationPort).c_str());
+			if (result != 0 && result != EEXIST) std::wcerr << L"Unable to " << (recipe.connected ? L"connect" : L"disconnect") << L": „" << recipe.sourcePort << L"“ to: „" << recipe.destinationPort << L"“." << std::endl;
+		}
+	}
+
 	static void jackErrorCallback(const char * message) {
 		std::wstring_convert < std::codecvt_utf8<wchar_t>> convertor; // TODO: local system encoding
 		std::wcerr << L"JACK: " << convertor.from_bytes(message) << std::endl;
@@ -311,6 +319,8 @@
 		using namespace relpipe::writer;
 		vector<AttributeMetadata> metadata;
 
+		applyConnectionRecipes();
+
 		if (configuration.listPorts) listPorts(writer);
 		if (configuration.listConnections) listConnections(writer);
 		if (!configuration.listMidiMessages) return;