rogoo

::1
for /l %%i in (1,1,100) do (echo  %%i)
::2
for /l %%i in (1,2,100) do (echo %%i)
::3
for /f %%i in ("bbs.bathome.net) do (echo %%i)
::4.1
type f:\text.txt
::或者
for /f %%i in (F:\text.txt) do (echo %%i)
::4.2
for /f "delims=       tokens=2" %%i in (F:\text.txt) do (echo %%i)