@echo off&setlocal enabledelayedexpansion
set n=1
set m=1
for /f "delims=" %%i in (test.txt) do (
if "!n!" neq "300" (
>>!m!.txt echo %%i
set /a n+=1
) else (
>>!m!.txt echo %%i
set n=1
echo 第!m!组文档已生成。。。
set /a m+=1
)
)
pause
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@echo off&color f0&setlocal enabledelayedexpansion
set /a n=0,m=1
for /f "delims=" %%i in (test.txt) do (
set /a n+=1
if !n! leq 300 (
echo %%i>>!m!.txt
if !n! == 300 (
echo 第!m!组已生成
set /a m+=1,n=0
               )
                 )
)
pause
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@echo off&setlocal enabledelayedexpansion
set/a a=0,n=300,v+=1
for /f "delims=" %%i in (a.txt) do (
    set/a a+=1
    if !a! leq !n! (>>!v!.txt echo,%%i) else (set/a n+=300,v+=1&>>!v!.txt echo,%%i)
)
pause
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gawk -v count=300 "{N=FNR-1;print>int(N/count+1) \".txt\"}" 测试.txt
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@echo off&setlocal enabledelayedexpansion
(for /l %%a in (1 1 100) do (
	set /a n=%%a*300
	echo !n!,~300w %%a.txt
))>sed.script

sed -n -f sed.script 测试.txt
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@echo off
split -l 300 a.txt splittxt_
(for /l %%a in (1 1 1000) do ren splittxt_* %%a.txt) 2>nul
pause
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sed -n "=" a.txt|sed -n "1~6p;$p"|sed "N;s/^\(.*\)\n\1$/\1\n/;P;D;"|sed "/^$/d"|sed "$q;1!p;"|sed "N;s/^\(.*\)\n\(.*\)$/\1,\2w/"|sed "="|sed "N;s/\(.*\)\n\(.*\)$/\2\1.txt/"|sed -nf - a.txt
 
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sed -n "=" a.txt|sed -n "1~6H;${g;p}"
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sed -n "=" a.txt|sed -n "${p;q};1~6p"
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sed -n "$=;$q;0~6=;1~6=" a.txt|sed -nr "N;s/\n(.*)/,\1w/;p"|sed -n "p;="|sed -r "N;s/\n(.*)$/\1.txt/"|sed -nf - a.txt
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sed -n "$=;$q;0~6=;1~6=" a.txt|sed -nr "${h;G;s/\n(.*)/,\1w/;p};N;s/\n(.*)/,\1w/;p"|sed -n "p;="|sed -r "N;s/\n(.*)$/\1.txt/"|sed -nf - a.txt
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sed -n "$=;$q;0~6=;1~6="
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sed -n "${=;=;q};0~6=;1~6="
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sed -n "${=;=;q};0~6=;1~6=" a.txt|sed -nr "N;s/\n(.*)/,\1w/;p"|sed -n "p;="|sed -r "N;s/\n(.*)$/\1.txt/"|sed -nf - a.txt
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@sed -n "$=;0~6=;1~6=" 
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