kill_ros2_node.sh

kill_ros2_node() {
    # Input: Node name
    NODE_NAME=$1

    # Check if node name is provided
    if [ -z "$NODE_NAME" ]; then
        echo "Error: No node name provided."
        return 1
    fi

    # Find the PID of the node
    PID=$(ps aux | grep "ros2 run .* $NODE_NAME" | grep -v grep | awk '{print $2}')

    # Check if PID is found
    if [ -z "$PID" ]; then
        echo "Error: Node '$NODE_NAME' not found."
        return 1
    fi

    echo "Debug Info: Found PID $PID for node '$NODE_NAME'."

    # Attempt to kill the node
    echo "Attempting to kill node '$NODE_NAME' (PID $PID)..."
    kill $PID

    # Check if kill command was successful
    if [ $? -eq 0 ]; then
        echo "Node '$NODE_NAME' (PID $PID) successfully killed."
    else
        echo "Error: Failed to kill node '$NODE_NAME' (PID $PID)."
        return 1
    fi

    # Optionally, force kill if regular kill fails
    # Uncomment the following line if you want to force kill on failure
    kill -9 $PID
}