“hr” is a command-line utility designed to print a horizontal rule in the terminal. It is a simple tool that adds visual separation between sections of text or output in the terminal, making it easier for users to distinguish different parts of the content. Here are some key features and aspects of “hr”:
- Horizontal Rule Printing: The primary purpose of “hr” is to print a horizontal line across the terminal window. This line serves as a visual divider, helping to organize and structure the content displayed in the terminal.
- Customization Options: “hr” provides various options for customizing the appearance of the horizontal rule. Users can specify the length of the rule, the character used to draw the line (such as ‘-‘, ‘=’, or ‘*’), and the color of the line (if supported by the terminal).
- Ease of Use: Using “hr” is straightforward and intuitive. Users simply need to run the “hr” command in the terminal, optionally providing any desired customization options, and the horizontal rule will be printed accordingly.
- Compatibility: “hr” is designed to work across different Unix-like operating systems, including Linux and macOS. It is a lightweight and portable utility that can be easily installed and used in various terminal environments.
- Integration with Shell Scripts: “hr” can be integrated into shell scripts to enhance the formatting of output generated by the script. By including “hr” commands at strategic points within a script, users can improve the readability and organization of the output presented to the user.
- Open Source and Community Support: “hr” is an open-source project hosted on GitHub, allowing users to view the source code, contribute improvements, report issues, and provide feedback. The project benefits from community contributions and collaboration, ensuring its continued development and maintenance.
hr Command Examples
1. Print a horizontal rule:
# hr
2. Print a horizontal rule with a custom string:
# hr [string]
3. Print a multiline horizontal rule:
# hr [string_a] [string_b] [string_c]
Summary
Overall, “hr” is a simple yet useful utility for enhancing the visual presentation of text and output in the terminal. Whether used for separating sections of output, creating visual distinctions in shell scripts, or simply adding a decorative touch to terminal interactions, “hr” provides a convenient solution for printing horizontal rules in the terminal environment.