[El Sanchez]

shadowbat, предложу-ка свой вариант:

Код:

@Echo Off
SetLocal EnableDelayedExpansion
Set Source=C:\Source
Set Output=C:\Output
Set UsersLog=C:\Source\UsersLog.txt

For /F "UseBackQ Tokens=*" %%A In ("%UsersLog%") Do (
	Echo %%A|FindStr :>nul&&(Set OutputDir=%%A&MD "%Output%\!OutputDir:~0,-1!" 2>nul)||Move /Y "%Source%\%%A.*" "%Output%\!OutputDir:~0,-1!" 1>nul
)
EndLocal