Rename a file (or folder) by appending the current date and time to the existing filename:

  @ECHO off
  IF [%1] NEQ [] goto s_start

  :: Author - Simon Sheppard, Nov 2012
  :: Tested for Windows XP, Windows 2008
  Echo StampMe.cmd
  Echo Rename a file with the DATE/Time
  Echo Syntax
  Echo    STAMPME TestFile.txt
  Echo    STAMPME "Test File.txt"
  Echo    STAMPME "c:\docs\Test File.txt"
  Echo    Will rename the file in the format "Test File-2009-12-30@16-55.txt"
  Echo    In a batch file use CALL STAMPME ...
  GOTO :eof
  Set _file=%~n1%
  Set _pathname=%~f1%
  Set _ext=%~x1%

  ::Get the date
  For /f "tokens=1-4 delims=/-. " %%G in ('Date /t') Do (Call :s_fixdate %%G %%H %%I %%J)
  Goto :s_time
  Set _yr=%1
  if "%_yr:~0,1%" GTR "9" Shift
  For /f "skip=1 tokens=2-4 delims=(-)" %%G in ('Echo.^|Date') Do (
       Set %%G=%1&Set %%H=%2&Set %%I=%3)
  goto :eof

  :: Get the time
  For /f "tokens=1-3 delims=1234567890 " %%a in ("%time%") Do Set "delims=%%a%%b%%c"
  For /f "tokens=1-4 delims=%delims%" %%G in ("%time%") Do (
    Set _hh=%%G
    Set _min=%%H
    Set _ss=%%I
    Set _ms=%%J
  :: Strip any leading spaces
  Set _hh=%_hh: =%

  :: Ensure the hours have a leading zero
  if 1%_hh% LSS 20 Set _hh=0%_hh%
  Echo   Year-Month-Day@Hour-Min-Sec
  Echo   %yy%-%mm%-%dd%    @  %_hh%-%_min%-%_ss%
  REN "%_pathname%" "%_file%-%yy%-%mm%-%dd%@%_hh%-%_min%-%_ss%%_ext%"

The last line of the script does the REName.


c:\> StampMe "sample file.txt"
c:\> StampMe "C:\logs\data\errorlog.txt"
c:\> StampMe "C:\docs\example folder"

An alternative 'quick and dirty' way to do the same thing in one line is shown below, this does work but is less robust as the results will vary according to regional/control panel settings.

c:\> REN "sample file.txt" "* %Date:/= % %Time::=.%.*"

“The time you enjoy wasting is not wasted time” ~ Bertrand Russell


DelOlder.cmd - Delete files more than n days old
GetDate and GetTime scripts
Standard date and time notation - YYYY-MM-DD
Stampme.ps1 - Powershell version

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