[文本处理] 批处理如何提取指定行之后的内容到新文本？

@echo off
(for /f "delims=" %%a in (a.txt) do (
  for /f "delims= " %%b in ("%%a") do (
    if defined flag echo %%a
    if "%%b"=="1994/11/30" set flag=1
  )
))>b.txt
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@echo off
(for /f "delims=" %%a in (a.txt) do (
  for /f "delims= " %%b in ("%%a") do (
    if "%%b"=="1994/12/06" set flag=
    if defined flag echo %%a
    if "%%b"=="1994/11/30" set flag=1
  )
))>b.txt
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@Echo Off

Set "StartDate=1994/11/30"	// 开始日期
Set "EndDate=1994/12/30"	// 结束日期

For /F "tokens=1-3,* delims=/ " %%A In (1.txt) Do (
	If %%A%%B%%C Geq %StartDate:/=% If %%A%%B%%C Leq %EndDate:/=% Echo %%A/%%B/%%C %%D
)
Pause>Nul
复制代码