[megaloman]

Код:

@Echo Off
cls
	Set "FileIn=Z:\Box_In\непостоянный файл.txt"
	Set "Fsprav=Z:\Box_In\постоянный справочник.txt"
	Set "WordIn=слово\"

	>nul 2>&1 Find "=%WordIn%" "%FileIn%" &&(Echo File "%FileIn%" has already been processed &Pause &Exit /B)

	For %%d In ("%FileIn%") Do (
		FOR /F "usebackq tokens=1* delims==" %%i In (`2^>nul findstr "=_" "%FileIn%"`) DO >"%%~dpd%%j.txt" cd.
	)

	Set /A N=0
	>"%FileIn%.tmp" (FOR /F "usebackq tokens=1* delims==" %%i In (`2^>nul findstr /V "=_" "%FileIn%"`) DO (
		If "%%j"=="" (Echo %%i
		) Else (
			Call Set /A N+=1
			<nul Call Set /P Str=%%N%%=%WordIn%
			FindStr /B /I "%%j " "%Fsprav%" ||Echo %%j
		)
	))
	>nul Move /Y "%FileIn%.tmp" "%FileIn%"
pause
Exit /B