How to use the command 'ul' (with examples)

The ‘ul’ command is used to perform underlining on text. It allows you to underline each character in a given string separately. This can be useful for emphasis or for creating formatted text.

Use case 1: Display the contents of the file with underlines where applicable

Code:

ul file.txt

Motivation: This use case is helpful when you want to quickly visualize a file’s contents with underlines. It can be especially useful if you have a file that contains important headings or sections that need to be highlighted.

Explanation:

• ul: The ul command is used to perform the underlining operation.
• file.txt: This is the file whose contents will be displayed with underlines.

Example output:

This is an example text file.
---------------------------
It contains multiple lines
===========================
of text that will be
~~~~~~~~~~~~~~~~~~~~~~~
underlined.
++++++++++

Each line will be underlined separately.
========================================

Use case 2: Display the contents of the file with underlines made of dashes

Code:

ul -i file.txt

Motivation: This use case is useful when you want to customize the underlines and use a specific character like dashes (-) instead of the default symbol (~). It allows you to create a different visual effect for the underlines.

Explanation:

• ul: The ul command is used to perform the underlining operation.
• -i: This option specifies the character to be used for underlines. In this case, dashes (-) will be used instead of the default (~).
• file.txt: This is the file whose contents will be displayed with underlines.

Example output:

This is an example text file.
-----------------------------
It contains multiple lines
===========================
of text that will be
---------------------
underlined.
+++++++++++++

Each line will be underlined separately.
========================================

Conclusion:

The ‘ul’ command is a simple yet versatile tool for adding underlines to text. It provides a way to emphasize certain parts of a file or create visually appealing formatted text. Whether you need standard underlines or customized ones, the ‘ul’ command has got you covered.