@echo off
findstr /v /b "目标开头内容" C:\111\1.txt>2.txt
del C:\111\1.txt
ren C:\111\2.txt C:\111\1.txt
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@echo off

for /f "delims=" %%a in ('dir/a-d/s/b *.txt') do (
	findstr /ri /b /v "========= 更多精彩尽在" "%%a">"%%a.tmp"
	move "%%a.tmp" "%%a">nul
)
复制代码

@echo off
for /f "delims=" %%a in ('dir /a-d /b /s *.txt') do (
    findstr /ri /b /v "========= 更多精彩尽在" "%%a" > "%%~nxa.tmp"
)
ren "*.tmp" "*.txt"
复制代码