A .bat or .wsh script that can search for files

@echo OFF

for /f %%F in ('dir %2%1 /s /b') do (
    <nul (set /p msg=%%~nxF )
    for /f %%G in ('dir %3%%~nxF /s /b') do (
        if exist %%G (
            @echo found at %%G
        )
    )
)

FindAll *.dll d:dir1 d:dir2 > dll_report.txt 2>&1

dir /S *.dll

dir /S C:*.dll

dir /S C:*.dll > report.txt