How to copy file with a different name, but same extension? [duplicate]

Question

I would like to copy a file, but I want the new file to be named something different, like having a (1) next to the name without changing the extension.

Here is my code:

import shutil from tkinter import * from tkinter.filedialog import askopenfilename import os filename = askopenfilename() file_name, file_extension = os.path.splitext(filename) dec = "_dec" newfile = file_name + dec copied = str.join(newfile, file_extension) shutil.copy(filename, copied ) master = Tk() w = Message(master, text="Copied!", width = 100) w.pack() mainloop()

How would I get filename to have a (1) at the end of the name without touching the extension?

change the destination (the second parameter to shutil.copy) — depperm
– depperm, Commented Jun 20, 2017 at 21:00
What type is filename? Is it a string? In which case, you can split on the . and change the first part, then join() again. — Jack Parkinson
– Jack Parkinson, Commented Jun 20, 2017 at 21:02
I know that, but if I do like + "(1)" the (1) comes after the extension name. It would be like hi.txt(1). — Darksp33d
– Darksp33d, Commented Jun 20, 2017 at 21:02

LeopoldVonBuschLight · Accepted Answer · 2017-06-20 21:02:23Z

You can use os.path.splitext to get the root and extension. Then you can increment the filename with a number until it does not exist, add the extension back, and save the file.

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