Script to notify you when a connection restores

monitorConnection.sh

#!/bin/bash

SLEEP=30

if [[ $# -lt 2 ]]; then
    echo "Usage: $0 <host> <port>"
    exit
fi

TESTHOST=$1
TESTPORT=$2

while true; do
    echo "--------------------------"
    echo "Trying: nc -z -w 5 $TESTHOST $TESTPORT"
    if  nc -z -w 5 $TESTHOST $TESTPORT; then
        date
        echo "Connection Restored"
        # say Connection Restored
        break
    else
        date
        echo -e "\tConnection Failed"
    fi
    echo "Waiting $SLEEP seconds ..."
    sleep $SLEEP
done