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Author: Admin | 2025-04-28
It’s so obvious to comment out some specific parts of code while writing a Bash script. No doubt that single-line comments are way too easy to implement. But what to do if you need to comment out some blocks of code? Well, you can use block comments in this case as these will add an organized texture in your Bash script. In this article, I am going to share how you can use a Bash block comment in different ways. So, let’s dive into it!Key TakeawaysFree DownloadsWhat is Block Comment in Bash?2 Cases to Use Block Comments in BashCase 1: Representation of Bash Block Comment Using the “here Document” NotationCase 2: Representation of Bash Block Comment Using the “: (Null)” CommandConclusionPeople Also AskKey TakeawaysGetting basic ideas about block comments in Bash.Utilizing the practical cases of Bash block comments.Free DownloadsWhat is Block Comment in Bash?Bash block comments refer to the multiple-line comments that can enclose blocks of codes using a specific syntax with a single code marker. These Bash comments are for optimizing the program’s readability. The default interpreter always ignores these blocks of comments during the script execution.When writing a Bash script, it’s very important to add comments to illustrate the function of the code clearly. Generally, comments are remarked by the hash(#) symbol in a Bash script. But if you want to add block comments within your script, then you have to follow some other syntax.In the following section, I’ll describe the two possible methods to create block comments in a Bash script:Case 1: Representation of Bash Block Comment Using the “here Document” NotationThe first depiction of the Bash block comment is to use the ‘here document’. Follow the steps given below to write block comments in Bash using the Here document:Steps to Follow >➊ Open your Ubuntu Terminal.➋
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