Saturday 11 May 2024

Automating File Compression with gzip

 

Code:

import gzip

import shutil


def compress_file(input_file, output_file):

    with open(input_file, 'rb') as f_in:

        with gzip.open(output_file, 'wb') as f_out:

            shutil.copyfileobj(f_in, f_out)


# Example usage

input_filename = 'clcoding.txt'

output_filename = 'clcoding.txt.gz'

compress_file(input_filename, output_filename)

#clcoding.com 

Explanation:

Let's break down the code step by step:

import gzip: This line imports the gzip module, which provides functionalities for working with gzip-compressed files in Python. The gzip module allows you to create, read, and write gzip-compressed files.

import shutil: This line imports the shutil module, which provides a higher-level interface for file operations. In this script, shutil is used to copy the contents of one file to another efficiently.

def compress_file(input_file, output_file):: This line defines a function named compress_file that takes two parameters: input_file (the path to the file to be compressed) and output_file (the path where the compressed file will be saved).

with open(input_file, 'rb') as f_in:: This line opens the input file (input_file) in binary read mode ('rb') using the open() function. It uses a context manager (with statement) to automatically close the file when the block is exited. The file object is assigned to the variable f_in.

with gzip.open(output_file, 'wb') as f_out:: This line opens the output file (output_file) in gzip-compressed write mode ('wb') using gzip.open(). Similar to the previous with statement, it also uses a context manager to automatically close the file when the block is exited. The compressed file object is assigned to the variable f_out.

shutil.copyfileobj(f_in, f_out): This line copies the contents of the input file (f_in) to the gzip-compressed output file (f_out). It efficiently copies data between file objects without loading the entire file into memory.

input_filename = 'clcoding.txt': This line defines a variable input_filename and assigns it the name of the input file (clcoding.txt). This file will be compressed.

output_filename = 'clcoding.txt.gz': This line defines a variable output_filename and assigns it the name of the output file (clcoding.txt.gz). This file will store the compressed data.

compress_file(input_filename, output_filename): This line calls the compress_file function with the input and output filenames as arguments, which compresses the input file and saves the compressed data to the output file.

#clcoding.com: This line appears to be a comment, possibly indicating the source of the file (clcoding.com). Comments in Python are preceded by the # symbol and are ignored by the interpreter.

This script takes a file (clcoding.txt), compresses it using gzip, and saves the compressed data to a new file (clcoding.txt.gz).


0 Comments:

Post a Comment

Popular Posts

Categories

AI (27) Android (24) AngularJS (1) Assembly Language (2) aws (17) Azure (7) BI (10) book (4) Books (118) C (77) C# (12) C++ (82) Course (62) Coursera (180) Cybersecurity (22) data management (11) Data Science (95) Data Strucures (6) Deep Learning (9) Django (6) Downloads (3) edx (2) Engineering (14) Excel (13) Factorial (1) Finance (6) flutter (1) FPL (17) Google (19) Hadoop (3) HTML&CSS (46) IBM (25) IoT (1) IS (25) Java (92) Leet Code (4) Machine Learning (44) Meta (18) MICHIGAN (5) microsoft (4) Pandas (3) PHP (20) Projects (29) Python (753) Python Coding Challenge (230) Questions (2) R (70) React (6) Scripting (1) security (3) Selenium Webdriver (2) Software (17) SQL (40) UX Research (1) web application (8)

Followers

Person climbing a staircase. Learn Data Science from Scratch: online program with 21 courses