# Ping
###### tags: `script`,`windows`, `linux`

## 1. Windows

`[1739982536.602150] 64 bytes from 168.95.1.1: time=19 ms`
`[1739982537.321024] no answer yet`

$logFile   = "x:\matsu\ping.txt"
$targetIP  = "168.95.1.1"
$unixEpoch = [datetime]"1970-01-01T00:00:00Z"

while ($true) {
    # $timestamp   = Get-Date -Format "yyyy-MM-dd HH:mm:ss"
    # 取得當前時間並轉換為 +8 時區
    $now        = (Get-Date).ToUniversalTime().AddHours(8)
    $unixTime   = ($now - $unixEpoch).TotalSeconds
    $formattedTs = "[{0:F6}]" -f $unixTime

    # 執行 Ping
    $pingResult = Test-Connection -ComputerName $targetIP -Count 1 -ErrorAction SilentlyContinue

    if ($pingResult) {
        $message = "$formattedTs 64 bytes from $($targetIP): time=$($pingResult.ResponseTime) ms"
    }
    else {
        $message = "$formattedTs no answer yet"
    }

    # 輸出到螢幕與 ANSI 檔案
    Write-Output $message
    $message | Out-File -FilePath $logFile -Encoding Default -Append

    Start-Sleep -Seconds 5
}

## 2. Linux
`[1739857066.329874] 64 bytes from 168.95.1.1: icmp_seq=2661 ttl=59 time=18.7 ms`

#linux
ping -OD -i [sec] [ip]

# O 顯示丟包
# D 顯示時間戳(Unix)
# i 幾秒送出一次

## 1. Windows

@echo off
SETLOCAL ENABLEDELAYEDEXPANSION
set lan=192.168.0

:: ######### for 1~254 #########
for /l %%i in (1,1,254) do (
    ping -n 1 -w 1 !lan!.%%i > nul
    if !errorlevel! == 0 (
        echo !lan!.%%i O
        echo !lan!.%%i >> logPing.txt
    ) else (
        echo !lan!.%%i X 
    )
)


:: ######### 根據檔案 #########

for /F "tokens=*" %%i in (list.txt) do (
    ping -n 1 -w 1 %%i > nul
    if !errorlevel! == 0 (
        echo %%i O
        echo %%i >> logPing.txt
    ) else (
        echo %%i X 
    )
)

:: ######### 陣列 #########
set list[0]=192.168.0.100
set list[1]=192.168.0.103
set list[2]=192.168.0.105

for /L %%i in (0,1,2) do (
    echo !list[%%i]!
)

## 2. linux

lan=192.168.0.
for i in $(seq 1 254); do
    ip=$lan$i
    ping -c 1 -W 1 $ip > /dev/null
    if [ $? -eq 0 ]; then
        echo "$ip O"
    else
        echo "$ip X" 
    fi
done

`nbtscan -v -s : 192.168.0.1/24`
`nmap -sP 192.168.0.0-255`