hugo-geekblog/exampleSite/content/posts/features/code-blocks.md

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---
title: Code Blocks
date: 2021-11-21T15:00:00+01:00
authors:
- john-doe
tags:
- Documentation
- Features
---
There are several ways to add code blocks. Most of them work out of the box, only the Hugo short code `<highlight>` needs to be configured to work properly. The theme also provides some additional features like a copy button and an option to set the maximum length of code blocks. Both of these functions and the dependent formatting rely on the `.highlight` CSS class. You must ensure that you always assign a language to your code blocks if you want to use these functions. If you do not want to apply syntax highlighting, you can also specify `plain` or `text` as the language.
{{< toc >}}
## Inline code
To display an inline shortcode use single quotes:
```Plain
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`some code`
```
**Example:** `some code`
## Code blocks
Code blocks can be uses without language specification:
````Markdown
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```Plain
some code
```
````
**Example:**
```Plain
some code
```
... or if you need language specific syntax highlighting:
````Markdown
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```Shell
# some code
echo "Hello world"
```
````
**Example:**
```Shell
# some code
echo "Hello World"
```
## Highlight shortcode
Hugo has a build-in shortcode for syntax highlighting. To work properly with this theme, you have to set following options in your site configuration:
{{< tabs "uniqueid" >}}
{{< tab "TOML" >}}
```TOML
pygmentsUseClasses=true
pygmentsCodeFences=true
```
{{< /tab >}}
{{< tab "YAML" >}}
```YAML
pygmentsUseClasses: true
pygmentsCodeFences: true
```
{{< /tab >}}
{{< /tabs >}}
You can use it like every other shortcode:
<!-- prettier-ignore -->
```Markdown
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{{</* highlight Shell "linenos=table" */>}}
# some code
echo "Hello World"
{{</* /highlight */>}}
```
**Example:**
<!-- markdownlint-disable -->
<!-- prettier-ignore-start -->
{{< highlight Shell "linenos=table" >}}
# some code
echo "Hello World"
{{< /highlight >}}
<!-- prettier-ignore-end-->
<!-- markdownlint-enable -->