[amel27]

Код:

@echo off
set DIR=c:\TEMP

set "$F="& set "$1=%~n1"
SetLocal EnableDelayedExpansion
echo:!$1!|findstr/xrc:"[A-Za-z_-]*"|findstr/vrc:".............................................................">Nul&& set "$F=+"
EndLocal& set "$F=%$F%"

if defined $F (
  set "VAR=%~n1"
  call echo VAR=%%VAR%%
) else (
  copy "%~1" "%DIR%\"
  ren "%DIR%\%~nx1" "%~n1_%DATE:~-4%-%DATE:~3,2%-%DATE:~0,2%_%TIME:~0,2%-%TIME:~3,2%-%TIME:~6,2%%~x1"
)

P.S. для стандартной локали: DD.MM.YYYY HH:MM:SS