@echo off&setlocal enabledelayedexpansion
echo.&echo.
for /f "skip=1 tokens=1,* delims= " %%a in ('wmic nic where ^(adaptertype like "ethernet ___._" and netconnectionstatus^="2"^) get name^,macaddress') do (set /A N+=1&set _!N!MAC=%%a&call echo.[!N!] %%b %%a)
echo.&echo.
IF !N! EQU 1 set MAC_=!_1MAC!&goto :loop
set /p input=Please input:
set MAC_=!_%input%MAC!
:loop
echo MAC:%MAC_%
pause>nul
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@echo off&setlocal enabledelayedexpansion
for /f "tokens=2 delims=:" %%a in ('ipconfig /all^|find /i "Description"') do (
     set /a n+=1&set m=
     for /f "tokens=2 delims=:" %%b in ('ipconfig /all^|find /i "Physical Address"') do (
         set /a m+=1&set _!m!mac=%%b
         if !n! == !m! call echo [!n!] %%b %%a
     )
)
if !n! == 1 set mac_=!_1mac!&goto :loop
set /p input=Please input:
set mac_=!_%input%mac!
:loop
echo MAC:%mac_%
pause
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@echo off
setlocal enabledelayedexpansion
for /f "tokens=*" %%a in ('ipconfig /all ^| findstr /i "Description Physical"') do (
    set var=%%a
    if /i "!var:~,11!"=="Description" (set /a n+=1)
    set str=!var:*:=!
    set "str=!str:~,-1!"    //去掉行末的回车符Cr，以免影响输出
    for %%i in (!n!) do set _%%i=!_%%i!!str!& if /i not "!var:~,11!"=="Description" echo [!n!]!_%%i!
)
pause
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