Building a Wordcount Tool in Python

Command-line utilities are the backbone of automated workflows, and building your own is one of the best ways to solidify your programming skills. In this written course, you will learn how to design, write, and extend a text-processing tool that mimics standard terminal utilities. You will start with the fundamental concepts of file handling and character encoding, ensuring you have a strong foundation before writing any code. By the end of this course, you will have built a robust text-processing script that can accurately count characters, words, lines, and bytes in any text file. What you'll learn: Understand file reading, buffer management, and character encoding in Python; Implement robust logic to count characters, words, and lines; Parse command-line arguments using modern Python standard libraries; Write clean, maintainable code using type hints and structured functions; Test your utility against various edge cases like empty files and special characters. You will begin with core definitions and basic file operations, gradually adding features to handle complex text-processing tasks, and wrap up by structuring your code for real-world execution. This course is designed for beginner Python programmers who want to transition from basic syntax to writing practical, usable scripts. No prior experience with command-line tools is required. Start reading today to build your next command-line utility.