#!/bin/bash

start_ip="10.10.43.100"
end_ip="10.10.43.110"

echo "마지막 수행 시간 : $(date +%Y-%m-%d-%r)<br><br>" > README.md
echo "|주소&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;|사용 여부&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;|" >> README.md
echo "|------|------|" >> README.md

for ((i=${start_ip##*.}; i<=${end_ip##*.}; i++)); do
    ip="${start_ip%.*}.${i}"
    if ping -c 1 -W 1 "$ip" >/dev/null 2>&1; then
        echo "|$ip|`rgb(255,0,0)사용중`|" >> README.md
    else
        echo "|$ip|`rgb(0,255,0)사용가능`|" >> README.md
    fi
    echo "${i} 체크 완료"
done