backup

@echo off
set /p words=input the word you want to find in files:
set /p files=input the range you want to define:
if "%files:~-4%"==".txt" findstr /n /c:"%words%" "%files%"&pause>nul&goto :eof
for /f "delims=" %%a in ('dir  /s /b %files%\*.txt') do (
findstr /n /c:"%words%" "%%a">tmps.txt && echo %%a
for /f "tokens=1,2 delims=:" %%b in (tmps.txt) do echo %%c  line:%%b
)
del tmps.txt /q 2>nul
pause>nulCOPY