@echo off
setlocal
color 9f
echo.
set /p v_Search=String to search for:
echo Searching for %v_Search% in [%1]

set v_ext=%~x1
if "%v_ext%"=="" goto s_folder

find /i "%v_Search%" %1
echo.
pause
goto :eof

:s_folder
for /r %1 %%G in (*.*) do (
find /i "%v_Search%" "%%G")

echo.
pause