YAML Basics

Before diving into {{ }}, let’s briefly recap some YAML basics.

  • YAML uses indentation to define the structure of data.
  • It supports key-value pairs, lists, and nested structures.
  • Comments start with the `#` character and are used for explanatory notes.
  • YAML is whitespace-sensitive, meaning that proper indentation is crucial.

What does {{ }} mean in YAML?

YAML (YAML Ain’t Markup Language) is a popular human-readable data serialization format often used for configuration files and data exchange. YAML’s simplicity and readability have made it a favorite among developers and system administrators. While YAML is generally straightforward, there are times when you encounter unfamiliar constructs, such as `{{ }}`. In this article, we’ll delve into what `{{ }}` means in YAML, provide examples, and cover every aspect of its usage.

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YAML Basics

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The `{{ }}` construct in YAML is used to denote a “tagged scalar.” It’s a way to specify that a string should be treated as a specific data type or to apply a transformation to it. Essentially, `{{ }}` allows you to assign additional metadata or behaviors to a value within a YAML document....

Examples of `{{ }}`

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Conclusion

In this artcile we disscude `{{ }}` in YAML which is a versatile feature that can be used to tag values with data types, apply transformations, and perform dynamic substitutions, enhancing the flexibility and functionality of YAML documents, especially in configuration and data management contexts....

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