Here's How You Can Build Your Own Markdown Parser: Part 2 - How to Read File From the Command Line | HackerNoon

"This program implements a command-line interface that accepts a markdown file as a command-line argument, reads its content, and prints the entire content to the terminal."

"The required modules include std::env for command-line argument access and std::fs for file operations like reading and writing."

"The args variable collects all command-line arguments and stores them in a Vec<String>, which is used to check if a markdown file was provided."

"If the user does not provide a markdown file, the program prompts them to do so by printing a message to the terminal."

A command-line interface is implemented to accept a markdown file as an argument, read its content, and print the content in the terminal. Required modules include std::env for handling command-line arguments and std::fs for file operations. The command-line arguments are collected into a Vec<String>, which allows checking whether a markdown file was provided. If no file is specified, the program prompts the user to enter a markdown file to avoid errors.

Read at Hackernoon