python command line arguments library

Опубликовано: 09 Январь 2025
на канале: pyGPT

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command line arguments allow you to pass information to a python script when it is executed. python provides the argparse library to make it easy to handle command line arguments in a structured and user-friendly way.
first, make sure you have python installed on your machine. most systems come with python pre-installed, but you can download it from python.org if needed.
let's create a simple python script that uses command line arguments. create a file named example.py with the following code:
now, open a terminal and navigate to the directory containing example.py. you can run the script with the following commands:
this command will print the input file path. to specify an output file, you can use the --output option:
this command will print both the input and output file paths.
argparse supports various types of arguments, such as strings, integers, and booleans. here's an example of handling different types:
in this example, type specifies the expected data type, and default provides a default value if the argument is not provided.
argparse is a powerful library for handling command line arguments in python. it allows you to create scripts that are more flexible and user-friendly, providing a better experience for both developers and users. experiment with the examples provided to understand how to use argparse effectively in your own projects.
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