add_monitor_sink

#!/bin/bash

# Define the default name/description for your monitor sink
SINK_NAME="MyMonitorSink"
SINK_DESCRIPTION="Virtual Monitor for System Audio"

function print_help {
  echo "usage: "
  echo 'add_monitor_sink <options>'
  echo "options:"
  echo "  --name: name for the sink"
  echo "  --description: the description for the sink"
}

while [ $# -gt 0 ]; do
    case "$1" in
       	-h|--help)
            print_help;
            exit 0
            ;;
        -d|--description)
            SINK_DESCRIPTION="$2"
            shift 2
            ;;
        -n|--name)
            SINK_NAME="$2"
            shift 2
            ;;
#        -b|--boolean-option)
#            SINK_NAME=true
#            shift
#            ;;
#        *)
#            # Handle positional arguments or unknown options
#            text=$1
#            shift
#            ;;
    esac
done

echo "Creating PulseAudio null sink: $SINK_NAME"
pactl load-module module-null-sink sink_name="$SINK_NAME" sink_properties=device.description="$SINK_DESCRIPTION"

if [ $? -eq 0 ]; then
    echo "Null sink '$SINK_NAME' created successfully."
    echo "Creating loopback module to hear the monitored audio."
    pactl load-module module-loopback sink="$SINK_NAME"
    if [ $? -eq 0 ]; then
        echo "Loopback module created successfully. You can now route applications to '$SINK_NAME'."
        echo "Use 'pavucontrol' to manage audio routing."
    else
        echo "Error creating loopback module."
    fi
else
    echo "Error creating null sink '$SINK_NAME'."
fi