yhcfsr

利用两个临时文件可做到。

copy /y "%GET_FILE%" "temp1.txt" >nul

:lp
set/a n+=1
if %n%==54 (
for /f "delims=	" %%a in (temp1.txt) do echo %n%:%%a
del /f /q temp*.txt&pause&goto:eof
)
(type temp1.txt)>temp.txt&&(for /f "tokens=1,* delims=	" %%a in (temp.txt) do echo %%b)>temp1.txt
goto :lp
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