@echo off
MODE con: COLS=22 LINES=10

for /f "tokens=2,3" %%i in ('netstat -e ^|findstr /i "Bytes 字节"') do (
    set rec=%%i
    set sent=%%j
)

:loop
echo WScript.Sleep 1000 > "%temp%\tmp$.vbs"
cscript //nologo "%temp%\tmp$.vbs"
cls

(for /f "tokens=2,3" %%i in ('netstat -e ^|findstr /i "Bytes 字节"') do (
    echo res=FormatNumber((%%i-%rec%^)*8/1024, 2, true^)
    echo sent=FormatNumber((%%j-%sent%^)*8/1024, 2, true^)
    echo WScript.Echo "下载流量：" ^& res ^& " kbits"
    echo WScript.Echo ""
    echo WScript.Echo "上传流量：" ^& sent ^& " kbits"
    set rec=%%i
    set sent=%%j
)) > "%temp%\tmp$.vbs"

cscript //nologo "%temp%\tmp$.vbs"

goto :loop
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