qinshi52

//第一题
@echo off
for /l   %%i in (1,1,100) do echo %%i
pause>nul

//第二题

@echo off
for /l   %%i in (1,2,99) do echo %%i
pause>nul

//第三题
@echo off
for /f "tokens=1-3 delims=. "  %%i in ("bbs bathome.net") do (
echo %%i
echo %%j
echo %%k
)
pause>nul
//第四题
@echo off
for /f "tokens=1-3 delims=. "  %%i in (test.txt) do (echo %%i  %%j  %%k)
pause

@echo off
for /f "tokens=2 delims=. "  %%i in (test.txt) do (echo %%i  )
pause