legend_bat

1.

for /l %%i in (1,1,100) do echo %%i
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2.

for /l %%i in (1,2,99) do echo %%i
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3.

for /f "tokens=1-3 delims=. " %%i in ("bbs bathome.net") do echo %%i&echo.%%j&echo.%%k
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4.①

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

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

B5:

@echo off
for /f "skip=2 tokens=2 delims=:" %%i in ('find /i "ip" ipconfig.txt') do echo %%i
pause
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