Код:
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@echo off
set "sx=search"
set "nd=%date:~0,2%%date:~3,2%"
<1.txt>$ (for /f "tokens=1* delims=[]" %%a in ('find /n /v ""') do @echo "%%b"|>nul find /i "%sx%" && (
echo search1/%nd%
echo search2/%nd%
echo search3/%nd%
echo %sx%
) || (
<nul set/p="%%b"& echo:
)
)& >nul move $ 1.txt
pause