[megaloman]

Код:

@Echo Off
cls

Set "FoldMask=Z:\tmp\folder1\arm*"
Set "FileFold=Z:\tmp\folder2"
Set "FileExt=txt"

FOR /D %%d IN ("%FoldMask%") DO (
	FOR /D %%p IN ("%%d\*.*") DO (
		>nul Move /Y "%FileFold%\%%~nxp.%FileExt%" "%%p\" ||Echo File "%FileFold%\%%~nxp.%FileExt%"
	)
)
Pause