@echo off
Setlocal enabledelayedexpansion
set "file=I:\1.txt"
set/a "n=1"
for /f "delims=" %%a in (%file%) do (
	if !n! leq 7 (echo,%%a>>I:\a1.txt) else (echo,%%a>>I:\a2.txt)
	set/a "n+=1"	
)
pause
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sed -n '1,17p' A.txt >1.txt
sed -n '18,$p' A.txt >2.txt
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gawk 'NR<=17{print}' A.txt >1.txt
gawk 'NR>=18{print}' A.txt >2.txt
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@echo off
powershell -c "gc A.txt | select -first 17" > 1.txt
more +17 A.txt > 2.txt
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