[amel27]

по 2 (и более) *.txt или по 2 (и более) *.doc »

Код:

@Echo Off

Set DIR=C:\TEST
Set MSK=*.txt *.doc

For /R "%DIR%" %%i In (.) Do If /I Not "%DIR%\."=="%%i" (
 Set ERR=& PUSHD %%i
 For /F %%a In ('2^>Nul DIR /B/A-D *.txt^|Find /C /V ""') Do If %%a GTR 1 Set ERR=1
 For /F %%a In ('2^>Nul DIR /B/A-D *.doc^|Find /C /V ""') Do If %%a GTR 1 Set ERR=1

 POPD& If Defined ERR Echo %%i
)