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Daniel-Wiedemann/add prefix to file name

Created April 3, 2014 13:43
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Windows Command Line
Raw
add prefix to file name
To add a prefix to filenames in an folder.
1. open the command line window
2. go into the folder where are the files to add the "_prefix"
3. FOR /r "." %a in (*.*) DO REN "%~a" "prefix%~nxa"
You can also define which files should get prefixed
eg. only .txt files
FOR /r "." %a in (*.txt) DO REN "%~a" "prefix%~nxa"
Raw
add suffix to file name
To add a suffix to filenames in an folder.
1. open the command line window
2. go into the folder where are the files to add the "_suffix"
3. for %a in (*.*) do ren "%~a" "%~na_suffix%~xa"
You can also define which files should get suffixed
eg. only .txt files
for %a in (*.txt) do ren "%~a" "%~na_suffix%~xa"
@slknight

slknight commented Jan 20, 2026

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Bless you, I have been looking for this for a while today. May your error messages be helpful and your system updates go cleanly.

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