How do I create batch file to rename large number of files in a folder

Question

I d like to rename a large number of files within a folder on a WinXP system  preferably using a batch file   The files are currently named like this      Vacation2010 001 jpg   Vacation2010 002 jpg   Vacation2010 003 jpg   And I d like to change them to      December 001 jpg   December 002 jpg   December 003 jpg   How can I perform this operation

User · Answer

dir  b   jpg  gt file bat   This will give you lines such as      Vacation2010 001 jpg   Vacation2010 002 jpg   Vacation2010 003 jpg   Edit file bat in your favorite Windows text-editor  doing the equivalent of   s Vacation2010     rename   amp    December  1     That s a regex  many editors support them  but none that come default with Windows  as far as I know    You can also get a command line tool such as sed or perl which can take the exact syntax I have above  after escaping for the command line   The resulting lines will look like      rename  Vacation2010 001 jpg   December 001 jpg    rename  Vacation2010 002 jpg   December 002 jpg    rename  Vacation2010 003 jpg   December 003 jpg    You may recognize these lines as rename commands  one per file from the original listing      Run that batch file in cmd exe

User · Answer

you can do this easily without manual editing or using fancy text editors  Here s a vbscript   Set objFS   CreateObject  Scripting FileSystemObject   strFolder  c  test  Set objFolder   objFS GetFolder strFolder  For Each strFile In objFolder Files     If objFS GetExtensionName strFile     jpg  Then             strFileName   strFile Name         If InStr strFileName  Vacation2010    gt  0 Then                        strNewFileName   Replace strFileName  Vacation2010   December               strFile Name   strNewFileName         End If      End If   Next    save as myscript vbs and   C  test gt  cscript   nologo myscript vbs

User · Answer

echo off SETLOCAL ENABLEDELAYEDEXPANSION SET old Vacation2010 SET new December for  f  tokens      f in   dir  b   jpg   do     SET newname   f   SET newname  newname  old   new     move    f    newname       What this does is it loops over all  jpg files in the folder where the batch file is located and replaces the Vacation2010 with December inside the filenames

User · Answer

ECHO off  amp  SETLOCAL EnableDelayedExpansion  SET   dir   REM Must finish with     SET   ext jpg  SET   toEdit Vacation2010  SET   with December  FOR   f IN     dir     ext    DO       CALL  modifyString    toEdit      with       Nf  fileName      RENAME    f    fileName    Xf    GOTO end   modifyString what with in toReturn     SET    in   3      SET    in    in   1   2       IF NOT    4                  SET   4    in        ELSE           ECHO    in            EXIT  B   end   This script allows you to change the name of all the files that contain Vacation2010 with the same name  but with December instead of Vacation2010   If you copy and paste the code  you have to save the  bat in the same folder of the photos  If you want to save the script in another directory  E G  you have a favorite folder for the utilities  you have to change the value of  dir with the path of the photos   If you have to do the same work for other photos  or others files changig  ext  you have to change the value of  toEdit with the string you want to change  or erase  and the value of  with with the string you want to put instead of  toEdit  SET   with   if you simply want to erase the string specified in  toEdit

User · Answer

You don t need a batch file  just do this from powershell    powershell -C  gci      rni    Name     Name -replace  Vacation2010    December

[windows] How do I create batch file to rename large number of files in a folder?

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