Python Programming with Raspberry Pi Zero by Yamanoor Sai & Yamanoor Srihari

Author:Yamanoor, Sai & Yamanoor, Srihari [Yamanoor, Sai]
Language: eng
Format: azw3
Tags: COM041000 - COMPUTERS / Microprocessors, COM051360 - COMPUTERS / Programming Languages / Python, COM067000 - COMPUTERS / Hardware / General
Publisher: Packt Publishing
Published: 2017-05-04T04:00:00+00:00

Challenge to the reader

The examples discussed with the glob module are available for download along with this chapter as glob_example.py. In one of the examples, we discussed listing files of a specific format. How would you go about listing files that are of the following format: filexxxx.*? (Here x represents any number between 0 and 9. * represents any file extension.)

The shutil module

The shutil module (https://docs.python.org/3/library/shutil.html) enables moving and copying files between folders using the move() and copy() methods. In the previous section, we listed all text files within the folder, txt_files. Let's move these files to the current directory (where the code is being executed) using move(), make a copy of these files once again in txt_files and finally remove the text files from the current directory:

import glob

import shutil

import os

if __name__ == "__main__":

# move files to the current directory

for file in glob.glob('txt_files/file1[0-9][0-9].txt'):

shutil.move(file, '.')

# make a copy of files in the folder 'txt_files' and delete them

for file in glob.glob('file1[0-9][0-9].txt'):

shutil.copy(file, 'txt_files')

os.remove(file)

In the preceding example (available for download along with this chapter as shutil_example.py), the files are being moved as well as copied from the origin to the destination by specifying the source and the destination as the first and second arguments respectively.

The files to be moved (or copied) are identified using the glob module. Then, each file is moved or copied using their corresponding methods.

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