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Copy Files - Python

Hello Experts-

I am trying to copy a files in one directory source to destination directory.

ex: copy and overwrite all files in c:\source to c:\destination

What is the easiest way to do this?
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sj77
Asked:
sj77
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1 Solution
 
peprCommented:
Have a look at the built-in shutil module (stands for shell utilities).

You will find copy() and copy2(), and copytree().
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sj77Author Commented:
@pepr I did this and it worked.

Do you think it would be best to wild card for *.mdb or just leave the code as is?

import os
import shutil
os.chdir('C:\\') #Make sure you add your source and destination path below

dir_src = ("C:\\source\\")
dir_dst = ("C:\\destination\\")

for filename in os.listdir(dir_src):
    if filename.endswith('.mdb'):
        shutil.copy( dir_src + filename, dir_dst)
    print(filename)

Open in new window

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peprCommented:
It depends. Firstly, the line 3 does nothing for the purpose. The lines 5 and 6 should not use parentheses, and probably should use single quotes (for consistency). The glob module allows you to work with the mask directly. Anyway, I recommend to get used to os.path.join() function. It solves all problems with missing/extra (back)slashes in the path.

Get used to normal slashes. One day, you may want to move your code to UNIX-based OS, and it will be easier. You get nothing when using backslashes. For print, use os.path.normpath() if you are picky.

If you want to copy also the last modification time... use copy2().

Print filename usually before the operation. When it crashes, you will know for what file.

#!python3

import glob
import os
import shutil

dir_src = 'C:/source'
dir_dst = 'C:/destination'

for filename in glob.iglob(os.path.join(dir_src, '*.mdb')):
    print(filename)
    shutil.copy(filename, dir_dst)

Open in new window

If you need to construct both paths (source and destination), then probably os.listdir() with os.path.join() is better.
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ltpittCommented:
If you provide us a better description of the final tool you plan to build maybe we can point you in the right direction
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sj77Author Commented:
@pepr if I want to move files in a directory to a different destination after this copy has been done how would this be done?

example: c:\source and c:\dest

copy gets done first > program action > then move files in c:\dest to c:\dest_final?
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sj77Author Commented:
essentially i want to move and delete from source folder
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peprCommented:
Use the shutil.move() function instead of the copy() -- see https://docs.python.org/3.5/library/shutil.html#shutil.move
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