Batcher

测试之前请做好备份
情况1.bat

@echo off
setlocal enabledelayedexpansion
for /f "delims=" %%a in ('dir /b /a-d *.txt') do (
    set /p FirstLine=<"%%a"
    >"%%a.new" echo 密码=!FirstLine!
    move /y "%%a.new" "%%a"
)
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Batcher

回复 4# happyyfl

@echo off
setlocal enabledelayedexpansion
for /f "delims=" %%a in ('dir /b /a-d *.txt') do (
    set /p FirstLine=<"%%a"
    set /p =密码=!FirstLine!<nul >"%%a.new"
    move /y "%%a.new" "%%a"
)
复制代码