Port scanning through script

/dev/tcp/$host/$port" && echo "port $port is open" done echo "Done""> /dev/tcp/$host/$port" && echo "port $port is open" done echo "Done""> /dev/tcp/$host/$port" && echo "port $port is open" done echo "Done"">

#!/bin/bash
host=10.5.5.11
for port in {1..65535}; do
    timeout .1 bash -c "echo >/dev/tcp/$host/$port" &&
        echo "port $port is open"
done
echo "Done"