Alternative script for checkonlinestatus.com for the terminal

website-monitor.sh

#!/bin/bash

# ANSI Colors
RED="\033[0;31m"
GREEN="\033[0;32m"
YELLOW="\033[0;33m"
RESET="\033[0m"

# Function to check if a website is up
check_website() {
    local url="$1"
    local timeout=5  # Timeout in seconds

    # Use curl to get HTTP status code
    status_code=$(curl -o /dev/null -s -w "%{http_code}" --max-time $timeout "$url")

    if [[ "$status_code" -ge 200 && "$status_code" -lt 400 ]]; then
        echo -e "${GREEN}$url is UP (HTTP $status_code)${RESET}"
    elif [[ "$status_code" -ge 400 ]]; then
        echo -e "${RED}$url is DOWN (HTTP $status_code)${RESET}"
    else
        echo -e "${YELLOW}$url is unreachable or timeout occurred${RESET}"
    fi
}

# Main script execution
if [[ -z "$1" ]]; then
    echo "Usage: $0 <URL>"
    exit 1
fi

check_website "$1"