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Python 3 OS Module Script to Rename All Files in a Folder With Custom Pattern & Name in Terminal
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Jun 1, 2025
Get the full source code of application here:
View Video Transcript
0:00
uh hello guys welcome to this video So
0:02
in this video I will show you a Python
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script which will actually rename bulk
0:08
files in a folder So now let's suppose
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if you have a folder which contains a
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lot of files which are not named in a
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particular manner So as I'm targeting
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this folder right here as you can see it
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contains a lot of files lot of uh image
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files So I just want to rename these
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files in 1 2 3 order like this So 1 JPG
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2.jpg 3 dot 4 I need to systematically
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rename all these files in a particular
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order So for this I can actually run
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this Python script here So let me just
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change the folder name here to data and
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run this Python script So just now see
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how it will save you a lot of time If I
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just run this Python script just notice
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on the left hand side it will rename all
1:01
your files systematically So you'll
1:03
see it is doing its process in the
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background You can see all these
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thousands of files image files have been
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renamed in a particular manner right
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here 1 JPG 2 JPG 3 4 5 6 7 You can see
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in a systematic particular order right
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here So that's the thing that I'm
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talking about It will save you a lot of
1:25
time because you don't need to manually
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rename all the files This script will
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automatically do this for you So now let
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me show you the Python script which is
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responsible for
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this I have given the script in the
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description of the video So for this you
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just require the operating system module
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and then here you mention whichever
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folder name that you're working with So
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you need to give the path
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here and then you
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simply get the total number of files
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using the list directory function After
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getting the files you simply put which
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order to rename So I'm just renaming it
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to 1 2 3 4 5 6 So I'm starting it with
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one and then we simply using the for
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loop like this for each file we are
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getting the path here by operating
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system path dot join function folder
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path file
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name After that here in this if
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condition we are comparing that if it's
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a
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file then only we need to rename this
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to a new file name So first of all for
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renaming it we also need to extract the
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extension For this we use the
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split split text
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function We split the extension Then we
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put the new file
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name like this Right and then we join
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the full file
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name After that we rename this So this
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contains this function here rename And
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then we rename this particular file path
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with the new file path And then we print
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out the statement right here that
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your rename has been successfully
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completed And then we simply increase
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the value of count by one Every time the
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loop goes to the next round this count
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value is increased So in this easy way
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you can construct this script and
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basically run this to any folder which
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contains a lot of files because it will
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rename this to a particular order If I
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change it from 1 to two So now the file
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name will start from two So now you will
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see it will actually the first file name
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will be renamed to two
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Sorry this is not dash this is extension
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Sorry
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this sorry this is your
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data if I again do this you'll see file
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name already exists so we already did
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that so you can put execute this script
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to the directory where the files are not
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renamed in a particular manner then this
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script will work at the starting I
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showed
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It will save you a lot of time So thank
4:41
you very much for watching this video
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Also check out my website
4:45
freemediatools.com
4:47
uh which contains thousands of tools
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