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I have a directory structure as below:

Folder
  > SubFolder1
    > FileName1.abc
    > Filename2.abc
    > .............

  > SubFolder2
    > FileName11.abc
    > Filename12.abc
    > ..............

  > ..........

etc. I want to rename the files inside the subfolders as:

SubFolder1_Filename1.abc
SubFolder1_Filename2.abc
SubFolder2_Filename11.abc
SubFolder2_Filename12.abc

i.e. add the folder name at the beginning of the file name with the delimiter "_". The directory structure should remain unchanged. Note: Beginning of file name is same. e.g. in above case File*.

I made below Script


for /r "PATH" %%G in (.) do (

pushd %%G

for %%* in (.) do set MyDir=%%~n*

FOR %%v IN (File*.*) DO REN %%v "%MyDir%_%%v" popd )


Problem with the above script is that it is taking only one Subfolder name and placing it to the beginning of file name irrespective of the folder.

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1  
Are you restricted to doing this with cmd.exe? This would be a LOT easier (trivial, actually) with a Unix shell. –  Nicole Hamilton Dec 7 '12 at 6:57
    
Yes I do want to do it in cmd only as I am on Windows. I know, by installing bash tools i can do it more easily in unix. But I was just curious to get it done in cmd. and want to use the built in features of windows effectively. Moreover I don't have permission to install any third party tool on the machine I am working on. –  shekhar Dec 7 '12 at 7:09
    
@NicoleHamilton - it is actually quite trivial in Windows batch as well. –  dbenham Dec 7 '12 at 13:24
1  
@dbenham Your idea of trivial and my idea of trivial are quite different. –  Nicole Hamilton Dec 7 '12 at 15:34

3 Answers 3

To rename only files in the immediate child folders

@echo off
pushd "Folder"
for /d %%D in (*) do (
  for %%F in ("%%~D\*") do (
    for %%P in ("%%F\..") do (
      ren "%%F" "%%~nxP_%%~nxF"
    )
  )
)
popd

To recursively rename all files in child folders

@echo off
pushd "Folder"
for /d %%D in (*) do (
  pushd "%%D"
  for /r %%F in (*) do (
    for %%P in ("%%F\..") do (
      ren "%%F" "%%~nxP_%%~nxF"
    )
  )
  popd
)
popd

Make sure you only run either script once! You done want to put multiple prefixes in front of the files :-)

Additional code could be added to make it safe to run multiple times.

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If you want to rename files inside subfolder only this is the solution.

for %%f in (.) do set "A=%%~dpnxf\"
for /r "%A%" %%f in (.) do call :func "%%~f"
goto :EOF
:func
set "B=%~1"
for %%g in ("%B%") do set "C=%%~dpnxg"
for %%g in ("%C%") do set "D=%%~nxg"
cd  %C%
set "k=%C%\"
if NOT %A%==%k% FOR %%v IN (*.*) DO REN "%%v" "%D%_%%v" 
goto :EOF
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You can do this in a more user friendly way using ReNamer, with a single renaming rule:

  1. Insert ":File_FolderName:_" as Prefix (skip extension)

You can also save it as a Preset and use it for command line renaming.

enter image description here

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