The Following helps in renaming a file using datatime stamp
// you are creating date stamp variable
FOR /F "tokens=1-4 delims=/ " %%i in ('date/t') do set d=%%k%%j%%l
// you are creating Time stamp variable
FOR /F "tokens=1-9 delims=:. " %%i in ('time/t') do set t=%%i%%j
// Here Renaming
ren abcd.doc new_%d%%t%.doc
