中国DOS联盟

@echo off

setlocal enabledelayedexpansion

for /l %%i in (1,4,20) do (

  set /a n=%%i+1

  echo 10.0.0.%%i 10.0.0.!n!

)

pause

@echo off

for /l %%i in (1 4 20) do (

set /a n=%%i+1

call echo 10.0.0.%%i 10.0.0.%%n%%

)

pause